September 11th Memorial Held At Ground Zero On 9th Anniversary Of Attacks

NEW YORK - SEPTEMBER 11: A woman holds a picture and drops flowers into a reflecting pool at Ground Zero during the annual memorial service for September 11, 2010 in New York City. People gathered at the World Trade Center site to mark the ninth anniversary of the terrorist attacks that killed nearly 3,000 people on September 11, 2001. (Photo by John Angelillo-Pool/Getty Images)

September 11th Memorial Held At Ground Zero On 9th Anniversary Of Attacks

NEW YORK - SEPTEMBER 11: (L to R) New York Governor David Patterson, U.S. Vice President Joe Biden, Dr Jill Biden, New York City Mayor Michael Bloomberg, New Jersey Governor Chris Christie are relected in the reflecting pool at Ground Zero during the annual memorial service for September 11, 2010 in New York City. People gathered at the World Trade Center site to mark the ninth anniversary of the terrorist attacks that killed nearly 3,000 people on September 11, 2001. (Photo by John Angelillo-Pool/Getty Images)

September 11th Memorial Held At Ground Zero On 9th Anniversary Of Attacks

NEW YORK - SEPTEMBER 11: US Army members salute while family members hold up pictures of their loved ones in front of a reflecting pool in memory of victims of the 9/11 terrorist attacks September 11, 2010 in New York City. Thousands gathered to pay a solemn homage on the ninth anniversary of the terrorist attacks that killed nearly 3,000 people on September 11, 2001. (Photo by Chris Hondros/Getty Images)

September 11th Memorial Held At Ground Zero On 9th Anniversary Of Attacks

Two men hug in front of a reflecting pool in memory of victims of the 9/11 terrorist attacks September 11, 2010 in New York City. Thousands gathered to pay a solemn homage on the ninth anniversary of the terrorist attacks that killed nearly 3,000 people on September 11, 2001. (Photo by Chris Hondros/Getty Images)

September 11th Memorial Held At Ground Zero On 9th Anniversary Of Attacks

An honor guard surrounds a reflecting pool in memory of victims of the 9/11 terrorist attacks September 11, 2010 in New York City. Thousands gathered to pay a solemn homage on the ninth anniversary of the terrorist attacks that killed nearly 3,000 people on September 11, 2001. (Photo by Chris Hondros/Getty Images)

September 11th Memorial Held At Ground Zero On 9th Anniversary Of Attacks

Family members grieve in front of a reflecting pool in memory of victims of the 9/11 terrorist attacks September 11, 2010 in New York City. Thousands gathered to pay a solemn homage on the ninth anniversary of the terrorist attacks that killed nearly 3,000 people on September 11, 2001. (Photo by Chris Hondros/Getty Images)

September 11th Memorial Held At Ground Zero On 9th Anniversary Of Attacks

A picture of a victim sits on the edge of a reflecting pool in memory of victims of the 9/11 terrorist attacks September 11, 2010 in New York City. Thousands gathered to pay a solemn homage on the ninth anniversary of the terrorist attacks that killed nearly 3,000 people on September 11, 2001. (Photo by Chris Hondros/Getty Images)

September 11th Memorial Held At Ground Zero On 9th Anniversary Of Attacks

Relatives of victims of the 9/11 attacks are reflected in a pool of water in memory of victims of the 9/11 terrorist attacks September 11, 2010 in New York City. Thousands gathered to pay a solemn homage on the ninth anniversary of the terrorist attacks that killed nearly 3,000 people on September 11, 2001. (Photo by Chris Hondros/Getty Images)

September 11th Memorial Held At Ground Zero On 9th Anniversary Of Attacks

U.S. Army soldiers and families of victims of 9/11 gather by a reflecting pool on Ground Zero September 11, 2010 in New York City. Thousands gathered to pay a solemn homage on the ninth anniversary of the terrorist attacks that killed nearly 3,000 people on September 11, 2001. (Photo by Chris Hondros/Getty Images)

September 11th Memorial Held At Ground Zero On 9th Anniversary Of Attacks

A policeman in an honor guard stands by a reflecting pool on Ground Zero September 11, 2010 in New York City. Thousands gathered to pay a solemn homage on the ninth anniversary of the terrorist attacks that killed nearly 3,000 people on September 11, 2001. (Photo by Chris Hondros/Getty Images)

September 11th Memorial Held At Ground Zero On 9th Anniversary Of Attacks

NEW YORK - SEPTEMBER 11: A woman carrying a picture and flowers arrives at Ground Zero during the annual 9/11 memorial service September 11, 2010 in New York City. People gathered at the World Trade Center site to mark the ninth anniversary of the terrorist attacks that killed nearly 3,000 people on September 11, 2001. (Photo by Lucas Jackson-Pool/Getty Images)

September 11th Memorial Held At Ground Zero On 9th Anniversary Of Attacks

NEW YORK - SEPTEMBER 11: A woman carrying a picture and flowers arrives at Ground Zero during the annual 9/11 memorial service September 11, 2010 in New York City. People gathered at the World Trade Center site to mark the ninth anniversary of the terrorist attacks that killed nearly 3,000 people on September 11, 2001. (Photo by Lucas Jackson-Pool/Getty Images)

September 11th Memorial Held At Ground Zero On 9th Anniversary Of Attacks

A man listens to the names of the dead being read out at Ground Zero in lower Manhattan on September 11, 2010 in New York City. Thousands gathered to pay a solemn homage on the ninth anniversary of the terrorist attacks that killed nearly 3,000 people on September 11, 2001. (Photo by Spencer Platt/Getty Images)

September 11th Memorial Held At Ground Zero On 9th Anniversary Of Attacks

A mourner arrives at Ground Zero during a ceremony marking the ninth anniversary of the September 11 attacks on the Wrld Trade Center in New York September 11, 2010. REUTERS/Lucas Jackson (UNITED STATES)

September 11th Memorial Held At Ground Zero On 9th Anniversary Of Attacks

People exercise near Ground Zero in lower Manhattan on September 11, 2010 in New York City. Thousands gathered to pay a solemn homage on the ninth anniversary of the terrorist attacks that killed nearly 3,000 people on September 11, 2001. (Photo by Spencer Platt/Getty Images)

September 11th Memorial Held At Ground Zero On 9th Anniversary Of Attacks

NEW YORK - SEPTEMBER 11: A mourner kneels at the reflecting pool at Ground Zero during the annual 9/11 memorial service September 11, 2010 in New York City. People gathered at the World Trade Center site to mark the ninth anniversary of the terrorist attacks that killed nearly 3,000 people on September 11, 2001. (Photo by Lucas Jackson-Pool/Getty Images)

September 11th Memorial Held At Ground Zero On 9th Anniversary Of Attacks

NEW YORK - SEPTEMBER 11: Family members of the victims of 9/11 stand around a reflecting pool at Ground Zero during the annual memorial service September 11, 2010 in New York City. People gathered at the World Trade Center site to mark the ninth anniversary of the terrorist attacks that killed nearly 3,000 people on September 11, 2001. (Photo by John Angelillo-Pool/Getty Images)

September 11th Memorial Held At Ground Zero On 9th Anniversary Of Attacks

NEW YORK - SEPTEMBER 11: Members of the U.S. Army 800th Military Police Brigade look out over Ground Zero in lower Manhattan on September 11, 2010 in New York, New York. Today marks the ninth anniversary of the September 11, 2001 terrorist attacks in which 2752 people were killed. President Obama has designated Saturday a National Day of Service and Remembrance in honor of those who died in the attacks. (Photo by Spencer Platt/Getty Images)

September 11th Memorial Held At Ground Zero On 9th Anniversary Of Attacks

NEW YORK - SEPTEMBER 11: Members of the U.S. Army 800th Military Police Brigade look out over Ground Zero in lower Manhattan on September 11, 2010 in New York, New York. Today marks the ninth anniversary of the September 11, 2001 terrorist attacks in which 2752 people were killed. President Obama has designated Saturday a National Day of Service and Remembrance in honor of those who died in the attacks. (Photo by Spencer Platt/Getty Images)

September 11th Memorial Held At Ground Zero On 9th Anniversary Of Attacks

NEW YORK - SEPTEMBER 11: A woman cries as she leaves Ground Zero during during the annual 9/11 memorial service September 11, 2010 in New York City. People gathered at the World Trade Center site to mark the ninth anniversary of the terrorist attacks that killed nearly 3,000 people on September 11, 2001. (Photo by Lucas Jackson-Pool/Getty Images)

September 11th Memorial Held At Ground Zero On 9th Anniversary Of Attacks

09/11/10, New York, NY-Family members of the 9/11 victims at the reflecting pool during the ceremony of ninth anniversary of 9/11. Photo Credit: POOL: Chang W. Lee/The New York Times

September 11th Memorial Held At Ground Zero On 9th Anniversary Of Attacks

People listen to the names of the dead being read out at Ground Zero in lower Manhattan on September 11, 2010 in New York City. Thousands gathered to pay a solemn homage on the ninth anniversary of the terrorist attacks that killed nearly 3,000 people on September 11, 2001. (Photo by Spencer Platt/Getty Images)

September 11th Memorial Held At Ground Zero On 9th Anniversary Of Attacks

09/11/10, New York, NY-Family members of the 9/11 victims at the reflecting pool during the ceremony of ninth anniversary of 9/11. Photo Credit: POOL: Chang W. Lee/The New York Times

September 11th Memorial Held At Ground Zero On 9th Anniversary Of Attacks

A couple listens to the names of the dead being read out at Ground Zero in lower Manhattan on September 11, 2010 in New York City. Thousands gathered to pay a solemn homage on the ninth anniversary of the terrorist attacks that killed nearly 3,000 people on September 11, 2001. (Photo by Spencer Platt/Getty Images)

September 11th Memorial Held At Ground Zero On 9th Anniversary Of Attacks

People listen to the names of the dead being read out at Ground Zero in lower Manhattan on September 11, 2010 in New York City. Thousands gathered to pay a solemn homage on the ninth anniversary of the terrorist attacks that killed nearly 3,000 people on September 11, 2001. (Photo by Spencer Platt/Getty Images)

September 11th Memorial Held At Ground Zero On 9th Anniversary Of Attacks

Meiyeh Galvin of Springfield, Massachusetts listens to the names of the dead being read out at Ground Zero in lower Manhattan on September 11, 2010 in New York City. Thousands gathered to pay a solemn homage on the ninth anniversary of the terrorist attacks that killed nearly 3,000 people on September 11, 2001. (Photo by Spencer Platt/Getty Images)

September 11th Memorial Held At Ground Zero On 9th Anniversary Of Attacks

09/11/10, New York, NY-Family members of the 9/11 victims at the reflecting pool during the ceremony of ninth anniversary of 9/11. Photo Credit: POOL: Chang W. Lee/The New York Times

September 11th Memorial Held At Ground Zero On 9th Anniversary Of Attacks

People look out over Ground Zero in lower Manhattan on September 11, 2010 in New York City. Thousands gathered to pay a solemn homage on the ninth anniversary of the terrorist attacks that killed nearly 3,000 people on September 11, 2001. (Photo by Spencer Platt/Getty Images)

September 11th Memorial Held At Ground Zero On 9th Anniversary Of Attacks

Two New York City police officers look out over Ground Zero in lower Manhattan on September 11, 2010 in New York City. Thousands gathered to pay a solemn homage on the ninth anniversary of the terrorist attacks that killed nearly 3,000 people on September 11, 2001. (Photo by Spencer Platt/Getty Images)

September 11th Memorial Held At Ground Zero On 9th Anniversary Of Attacks

A New York City police officer looks out over Ground Zero in lower Manhattan on September 11, 2010 in New York City. Thousands gathered to pay a solemn homage on the ninth anniversary of the terrorist attacks that killed nearly 3,000 people on September 11, 2001. (Photo by Spencer Platt/Getty Images)

September 11th Memorial Held At Ground Zero On 9th Anniversary Of Attacks

ll Biden, wife of the U.S. Vice President, talks with family members of victims near a reflecting pool in memory of victims of the 9/11 terrorist attacks September 11, 2010 on Ground Zero in New York City. Thousands gathered to pay a solemn homage on the ninth anniversary of the terrorist attacks that killed nearly 3,000 people on September 11, 2001. (Photo by Chris Hondros/Getty Images)

September 11th Memorial Held At Ground Zero On 9th Anniversary Of Attacks

09/11/10, New York, NY-Family members of the 9/11 victims at the reflecting pool during the ceremony of ninth anniversary of 9/11. Photo Credit: POOL: Chang W. Lee/The New York Times

September 11th Memorial Held At Ground Zero On 9th Anniversary Of Attacks

09/11/10, New York, NY-Family members of the 9/11 victims at the reflecting pool during the ceremony of ninth anniversary of 9/11. Photo Credit: POOL: Chang W. Lee/The New York Times

September 11th Memorial Held At Ground Zero On 9th Anniversary Of Attacks

A man pauses before laying roses into a reflecting pool at Ground Zero during the annual 9/11 memorial service September 11, 2010 in New York City. People gathered at the World Trade Center site to mark the ninth anniversary of the terrorist attacks that killed nearly 3,000 people on September 11, 2001. (Photo by Andrew Mills-Pool/Getty Images)

September 11th Memorial Held At Ground Zero On 9th Anniversary Of Attacks

09/11/10, New York, NY-Family members of the 9/11 victims at the reflecting pool during the ceremony of ninth anniversary of 9/11. Photo Credit: POOL: Chang W. Lee/The New York Times

September 11th Memorial Held At Ground Zero On 9th Anniversary Of Attacks

09/11/10, New York, NY-Family members of the 9/11 victims at the reflecting pool during the ceremony of ninth anniversary of 9/11. Photo Credit: POOL: Chang W. Lee/The New York Times

September 11th Memorial Held At Ground Zero On 9th Anniversary Of Attacks

09/11/10, New York, NY-Family members of the 9/11 victims at the reflecting pool during the ceremony of ninth anniversary of 9/11. Photo Credit: POOL: Chang W. Lee/The New York Times

September 11th Memorial Held At Ground Zero On 9th Anniversary Of Attacks

09/11/10, New York, NY-Family members of the 9/11 victims at the reflecting pool during the ceremony of ninth anniversary of 9/11. Photo Credit: POOL: Chang W. Lee/The New York Times

September 11th Memorial Held At Ground Zero On 9th Anniversary Of Attacks

Family members of victims gather in front of a reflecting pool in memory of victims of the 9/11 terrorist attacks September 11, 2010 in New York City. Thousands gathered to pay a solemn homage on the ninth anniversary of the terrorist attacks that killed nearly 3,000 people on September 11, 2001. (Photo by Chris Hondros/Getty Images)

September 11th Memorial Held At Ground Zero On 9th Anniversary Of Attacks

NEW YORK - SEPTEMBER 11: U.S. Vice President Joe Biden gestures near a reflecting pool in memory of victims of the 9/11 terrorist attacks September 11, 2010 on Ground Zero in New York City. Thousands gathered to pay a solemn homage on the ninth anniversary of the terrorist attacks that killed nearly 3,000 people on September 11, 2001. (Photo by Chris Hondros/Getty Images)

September 11th Memorial Held At Ground Zero On 9th Anniversary Of Attacks

Family members of victims walk past One World Trade Center (under construction, background) as they approach a reflecting pool in memory of the 9/11 terrorist attacks September 11, 2010 in New York City. Thousands gathered to pay a solemn homage on the ninth anniversary of the terrorist attacks that killed nearly 3,000 people on September 11, 2001. (Photo by Chris Hondros/Getty Images)

September 11th Memorial Held At Ground Zero On 9th Anniversary Of Attacks

Family members of victims stand in front of a reflecting pool in memory of the 9/11 terrorist attacks September 11, 2010 in New York City. Thousands gathered to pay a solemn homage on the ninth anniversary of the terrorist attacks that killed nearly 3,000 people on September 11, 2001. (Photo by Chris Hondros/Getty Images)

September 11th Memorial Held At Ground Zero On 9th Anniversary Of Attacks

Family members of victims stand in front of a reflecting pool in memory of the 9/11 terrorist attacks September 11, 2010 in New York City. Thousands gathered to pay a solemn homage on the ninth anniversary of the terrorist attacks that killed nearly 3,000 people on September 11, 2001. (Photo by Chris Hondros/Getty Images)

September 11th Memorial Held At Ground Zero On 9th Anniversary Of Attacks

New York City Honor Guard carry a flag found at Ground Zero to begin the ceremony commemorating the September 11th 2001 terrorist attack on the World Trade Center in New York, USA, 11, September 2010.

September 11th Memorial Held At Ground Zero On 9th Anniversary Of Attacks

New York City Honor Guard carry a flag found at Ground Zero to begin the ceremony commemorating the September 11th 2001 terrorist attack on the World Trade Center in New York, USA, 11, September 2010.

September 11th Memorial Held At Ground Zero On 9th Anniversary Of Attacks

New York City Mayor Michael Bloomberg speaks to begin the ceremony commemorating the September 11th 2001 terrorist attack on the World Trade Center in New York, USA, 11, September 2010.

September 11th Memorial Held At Ground Zero On 9th Anniversary Of Attacks

NEW YORK - SEPTEMBER 11: New York Mayor Michael Bloomberg talks with family members of victims near a reflecting pool in memory of victims of the 9/11 terrorist attacks September 11, 2010 on Ground Zero in New York City. Thousands gathered to pay a solemn homage on the ninth anniversary of the terrorist attacks that killed nearly 3,000 people on September 11, 2001. (Photo by Chris Hondros/Getty Images)

September 11th Memorial Held At Ground Zero On 9th Anniversary Of Attacks

A NYC firefighter becomes emotional after placing a rose in a reflecting pool at Ground Zero during ceremonies to mark the 9th anniversary of the September 11th terrorist attacks at the World Trade Center. MANHATTAN, NY 9/11/10 9:00:04 AM Andrew Mills/The Star-Ledger

September 11th Memorial Held At Ground Zero On 9th Anniversary Of Attacks

Muslim man prays at Ground Zero as family members mark the 9th anniversary of the September 11th terrorist attacks at the World Trade Center. MANHATTAN, NY 9/11/10 9:06:35 AM Andrew Mills/The Star-Ledger

September 11th Memorial Held At Ground Zero On 9th Anniversary Of Attacks

(L to R) New York Governor David Paterson, U.S. Vice President Joe Biden and his wife, Dr. Jill Biden, New York City Mayor Michael Bloomberg and New Jersey Governor Chris Christie lay roses in the reflecting pool with family members of victims of the 9/11attacks during the annual 9/11 memorial service September 11, 2010 in New York City. People gathered at the World Trade Center site to mark the ninth anniversary of the terrorist attacks that killed nearly 3,000 people on September 11, 2001. (Photo by Andrew Mills-Pool/Getty Images)

September 11th Memorial Held At Ground Zero On 9th Anniversary Of Attacks

Former New York City Mayor Rudy Giuliani reads a poem at the ceremony commemorating the September 11th 2001 terrorist attack on the World Trade Center in New York, USA, 11, September 2010.

September 11th Memorial Held At Ground Zero On 9th Anniversary Of Attacks

People walk in the Winter Garden, which was heavily damaged on September 11, 2001 and sits just across from Ground Zero in lower Manhattan on September 11, 2010 in New York City. Thousands gathered at Ground Zero to pay solemn homage on the ninth anniversary of the terrorist attacks that killed nearly 3,000 people on September 11, 2001. (Photo by Spencer Platt/Getty Images)

September 11th Memorial Held At Ground Zero On 9th Anniversary Of Attacks

A Family member weeps during the reading of the names of 911 victims at the ceremony commemorating the September 11th 2001 terrorist attack on the World Trade Center in New York, USA, 11, September 2010.

September 11th Memorial Held At Ground Zero On 9th Anniversary Of Attacks

(l to r) New York Governor David Paterson, US Vice President Joe Biden, NYC Mayor Michael Bloomberg and NJ Governor Chris Christie join family members who lost loved ones at the reflecting pool during ceremonies to mark the 9th anniversary of the September 11th terrorist attacks at the World Trade Center. MANHATTAN, NY 9/11/10 8:05:52 AM Andrew Mills/The Star-Ledger

September 11th Memorial Held At Ground Zero On 9th Anniversary Of Attacks

NEW YORK - SEPTEMBER 11: Flowers and a picture float in the Ground Zero reflecting pool during the annual 9/11 memorial service for September 11, 2010 in New York City. People gathered at the World Trade Center site to mark the ninth anniversary of the terrorist attacks that killed nearly 3,000 people on September 11, 2001. (Photo by John Angelillo-Pool/Getty Images)

September 11th Memorial Held At Ground Zero On 9th Anniversary Of Attacks

A firefighter in an honor guard next to a reflecting pool set up in memory of victims of the 9/11 terrorist attacks rotates off his post September 11, 2010 in New York City. Thousands gathered to pay solemn homage on the ninth anniversary of the terrorist attacks that killed nearly 3,000 people on September 11, 2001. (Photo by Chris Hondros/Getty Images)

on September 11, 2010 in New York, New York.

September 11th Memorial Held At Ground Zero On 9th Anniversary Of Attacks

A basket of flowers sits next to a reflecting pool in memory of victims of the 9/11 terrorist attacks before relatives file in September 11, 2010 in New York City. Thousands gathered to pay solemn homage on the ninth anniversary of the terrorist attacks that killed nearly 3,000 people on September 11, 2001. (Photo by Chris Hondros/Getty Images)

on September 11, 2010 in New York, New York.

September 11th Memorial Held At Ground Zero On 9th Anniversary Of Attacks

Friends and relatives of those killed in the 9/11 terrorist attacks file down a ramp to a reflecting pool September 11, 2010 in New York City. Thousands gathered to pay solemn homage on the ninth anniversary of the terrorist attacks that killed nearly 3,000 people on September 11, 2001. (Photo by Chris Hondros/Getty Images)

on September 11, 2010 in New York, New York.

September 11th Memorial Held At Ground Zero On 9th Anniversary Of Attacks

A boy sits in silence on the edge of a reflecting pool in memory of victims of the 9/11 terrorist attacks September 11, 2010 in New York City. Thousands gathered to pay solemn homage on the ninth anniversary of the terrorist attacks that killed nearly 3,000 people on September 11, 2001. (Photo by Chris Hondros/Getty Images)

September 11th Memorial Held At Ground Zero On 9th Anniversary Of Attacks

Firefighters from Ladder Company 10, directly across from the World Trade Center, pause for a moment of silence at 10:28 a.m. to mark the observance of the time the North Tower fell, during ceremonies marking the ninth anniversary of the attacks on the World Trade Center, Saturday, Sept. 11, 2010 in New York. (AP Photo/Henny Ray Abrams)

September 11th Memorial Held At Ground Zero On 9th Anniversary Of Attacks

Firefighters from Ladder Company 10, directly across from the World Trade Center, pause for a moment of silence at 10:28 a.m. to mark the observance of the time the North Tower fell, during ceremonies marking the ninth anniversary of the attacks on the World Trade Center, Saturday, Sept. 11, 2010 in New York. (AP Photo/Henny Ray Abrams)

September 11th Memorial Held At Ground Zero On 9th Anniversary Of Attacks

Vice President Joe Biden pauses for a moment of silence at 10:28 a.m. to mark the observance of the time the North Tower fell, during ceremonies marking the ninth anniversary of the attacks on the World Trade Center, Saturday, Sept. 11, 2010 in New York. (AP Photo/Henny Ray Abrams)

September 11th Memorial Held At Ground Zero On 9th Anniversary Of Attacks

A picture of a firefighter is held up in the crowd at Zuccotti Park, across the World Trade Center, during the annual 9/11 memorial service September 11, 2010 in New York City. People gathered at the World Trade Center site to mark the ninth anniversary of the terrorist attacks that killed nearly 3,000 people on September 11, 2001. (Photo by Henny Ray Abrams-Pool/Getty Images)

September 11th Memorial Held At Ground Zero On 9th Anniversary Of Attacks

A boy sits in silence on the edge of a reflecting pool in memory of victims of the 9/11 terrorist attacks September 11, 2010 in New York City. Thousands gathered to pay solemn homage on the ninth anniversary of the terrorist attacks that killed nearly 3,000 people on September 11, 2001. (Photo by Chris Hondros/Getty Images)

September 11th Memorial Held At Ground Zero On 9th Anniversary Of Attacks

A man holds an American flag during 9/11 commemorations outside the World Trade Center site on September 11, 2010 in New York City. Today marks the ninth anniversary of the September 11, 2001 terror attacks. (Photo by Mario Tama/Getty Images)

September 11th Memorial Held At Ground Zero On 9th Anniversary Of Attacks

Josephine Strenta holds a photograph of her husband's best friend Joseph Plumitallo who died on 9/11/01 during commemorations on September 11, 2010 in New York City. Today marks the ninth anniversary of the September 11, 2001 terror attacks. (Photo by Mario Tama/Getty Images)

September 11th Memorial Held At Ground Zero On 9th Anniversary Of Attacks

A mourner holds a sign as she waits to enter Ground Zero during a ceremony marking the ninth anniversary of the September 11 attacks on the World Trade Center in New York September 11, 2010. REUTERS/Lucas Jackson (UNITED STATES)

September 11th Memorial Held At Ground Zero On 9th Anniversary Of Attacks

A mourner weeps as she departs Ground Zero during a ceremony marking the ninth anniversary of the September 11 attacks on the World Trade Center in New York September 11, 2010. REUTERS/Lucas Jackson (UNITED STATES)

September 11th Memorial Held At Ground Zero On 9th Anniversary Of Attacks

People walk past the famous cross discovered in the rubble of Ground Zero prior to 9/11 commemorations outside the World Trade Center site on September 11, 2010 in New York City. Today marks the ninth anniversary of the September 11, 2001 terror attacks. (Photo by Mario Tama/Getty Images)

September 11th Memorial Held At Ground Zero On 9th Anniversary Of Attacks

A group of motorcyclists look out at Ground Zero in lower Manhattan on September 11, 2010 in New York City. Thousands gathered at Ground Zero to pay solemn homage on the ninth anniversary of the terrorist attacks that killed nearly 3,000 people on September 11, 2001. (Photo by Spencer Platt/Getty Images)

September 11th Memorial Held At Ground Zero On 9th Anniversary Of Attacks

09/11/10, New York, NY-Family members of the 9/11 victims at the reflecting pool during the ceremony of ninth anniversary of 9/11. Photo Credit: POOL: Chang W. Lee/The New York Times

September 11th Memorial Held At Ground Zero On 9th Anniversary Of Attacks

09/11/10, New York, NY-Family members of the 9/11 victims at the reflecting pool during the ceremony of ninth anniversary of 9/11. Photo Credit: POOL: Chang W. Lee/The New York Times

September 11th Memorial Held At Ground Zero On 9th Anniversary Of Attacks

09/11/10, New York, NY-Family members of the 9/11 victims at the reflecting pool during the ceremony of ninth anniversary of 9/11. Photo Credit: POOL: Chang W. Lee/The New York Times

September 11th Memorial Held At Ground Zero On 9th Anniversary Of Attacks

Friends and family members of those killed in the 9/11 terror attacks walk down to a reflecting pool in their memory on Ground Zero September 11, 2010 in New York City. Thousands gathered to pay solemn homage on the ninth anniversary of the terrorist attacks that killed nearly 3,000 people on September 11, 2001. (Photo by Chris Hondros/Getty Images)

September 11th Memorial Held At Ground Zero On 9th Anniversary Of Attacks

Luke Pavlenishzili , 2, takes a rose from firefighter Joe Huber (R) while on the shoulders of his father George Pavlenishzili on the edge of a reflecting pool in memory of victims of the 9/11 terrorist attacks on Ground Zero September 11, 2010 in New York City. (Photo by Chris Hondros/Getty Images)

September 11th Memorial Held At Ground Zero On 9th Anniversary Of Attacks

09/11/10, New York, NY-Family members of the 9/11 victims at the reflecting pool during the ceremony of ninth anniversary of 9/11. Photo Credit: POOL: Chang W. Lee/The New York Times

September 11th Memorial Held At Ground Zero On 9th Anniversary Of Attacks

The reflection of a police office and a rose in the reflecting pool at the World Trade Center site for the ninth anniversary commemoration ceremony September 11, 2010 in New York. AFP PHOTO/DON EMMERT/POOL

September 11th Memorial Held At Ground Zero On 9th Anniversary Of Attacks

Police and firefighters at the reflecting pool at the World Trade Center site for the ninth anniversary commemoration ceremony September 11, 2010 in New York. AFP PHOTO/DON EMMERT/POOL

September 11th Memorial Held At Ground Zero On 9th Anniversary Of Attacks

A man looks on during 9/11 commemorations outside the World Trade Center site on September 11, 2010 in New York City. Today marks the ninth anniversary of the September 11, 2001 terror attacks. (Photo by Mario Tama/Getty Images)

September 11th Memorial Held At Ground Zero On 9th Anniversary Of Attacks

People look on during 9/11 commemorations outside the World Trade Center site on September 11, 2010 in New York City. Today marks the ninth anniversary of the September 11, 2001 terror attacks. (Photo by Mario Tama/Getty Images)

September 11th Memorial Held At Ground Zero On 9th Anniversary Of Attacks

09/11/10, New York, NY-Luke Pavlenishzili, 2 years old, on his father's shoulder George Pavlenishzili, offered a rose to Joe Huber, a NYFD fire fighter who was guarding the reflecting pool. Then, he dropped the flower and Joe Huber, picked it up and returned it to Luke. (***EDN: Luke dropped the flower three times and each time, Joe returned it to him.) Luke's uncle, Vlad Savinkin, was the victim of 9/11. Family members of the 9/11 victims during moment of silence for the time that South tower fell at the reflecting pool during the ceremony of ninth anniversary of 9/11. Photo Credit: POOL: Chang W. Lee/The New York Times

September 11th Memorial Held At Ground Zero On 9th Anniversary Of Attacks

NEW YORK - SEPTEMBER 11: Singer Kristin Chenoweth (L) performs during the annual 9/11 memorial service at Ground Zero September 11, 2010 in New York City. People gathered at the World Trade Center site to mark the ninth anniversary of the terrorist attacks that killed nearly 3,000 people on September 11, 2001. (Photo by David Handschuh-Pool/Getty Images)

September 11th Memorial Held At Ground Zero On 9th Anniversary Of Attacks

09/11/10, New York, NY-Family members of the 9/11 victims at the reflecting pool during the ceremony of ninth anniversary of 9/11. Photo Credit: POOL: Chang W. Lee/The New York Times

September 11th Memorial Held At Ground Zero On 9th Anniversary Of Attacks

Firefighters from Ladder Company 10, directly across from the World Trade Center, pause for a moment of silence at 10:28 a.m. to mark the observance of the time the North Tower fell, during ceremonies marking the ninth anniversary of the attacks on the World Trade Center, Saturday, Sept. 11, 2010 in New York. (AP Photo/Henny Ray Abrams)

September 11th Memorial Held At Ground Zero On 9th Anniversary Of Attacks

Firefighters from Ladder Company 10, directly across from the World Trade Center, pause for a moment of silence at 10:28 a.m. to mark the observance of the time the North Tower fell, during ceremonies marking the ninth anniversary of the attacks on the World Trade Center, Saturday, Sept. 11, 2010 in New York. (AP Photo/Henny Ray Abrams)

September 11th Memorial Held At Ground Zero On 9th Anniversary Of Attacks

NEW YORK - SEPTEMBER 11: Mourners holding pictures of pf family memebers gather around a reflecting pool in memory of victims of the 9/11 terrorist attacks September 11, 2010 in New York City. Thousands gathered to pay a solemn homage on the ninth anniversary of the terrorist attacks that killed nearly 3,000 people on September 11, 2001. (Photo by David Handschuh-Pool/Getty Images)

September 11th Memorial Held At Ground Zero On 9th Anniversary Of Attacks

Family members listen to the reading of the names of 911 victims at the ceremony commemorating the September 11th 2001 terrorist attack on the World Trade Center in New York, USA, 11, September 2010.

September 11th Memorial Held At Ground Zero On 9th Anniversary Of Attacks

NEW YORK - SEPTEMBER 11: Mourners holding pictures of family memebers gather around a reflecting pool in memory of victims of the 9/11 terrorist attacks September 11, 2010 in New York City. Thousands gathered to pay a solemn homage on the ninth anniversary of the terrorist attacks that killed nearly 3,000 people on September 11, 2001. (Photo by David Handschuh-Pool/Getty Images)

September 11th Memorial Held At Ground Zero On 9th Anniversary Of Attacks

Mourners holding pictures of pf family memebers gather around a reflecting pool in memory of victims of the 9/11 terrorist attacks. (credit: David Handschuh-Pool/Getty Images)

NEW YORK - SEPTEMBER 11: Mourners holding pictures of pf family memebers gather around a reflecting pool in memory of victims of the 9/11 terrorist attacks September 11, 2010 in New York City. Thousands gathered to pay a solemn homage on the ninth anniversary of the terrorist attacks that killed nearly 3,000 people on September 11, 2001. (Photo by David Handschuh-Pool/Getty Images)

September 11th Memorial Held At Ground Zero On 9th Anniversary Of Attacks

NEW YORK - SEPTEMBER 11: Flowers sit with written notes on the Ground Zero reflecting pool during the annual 9/11 memorial service for September 11, 2010 in New York City. People gathered at the World Trade Center site to mark the ninth anniversary of the terrorist attacks that killed nearly 3,000 people on September 11, 2001. (Photo by John Angelillo-Pool/Getty Images)

September 11th Memorial Held At Ground Zero On 9th Anniversary Of Attacks

NEW YORK - SEPTEMBER 11: Mourners holding pictures of pf family memebers gather around a reflecting pool in memory of victims of the 9/11 terrorist attacks September 11, 2010 in New York City. Thousands gathered to pay a solemn homage on the ninth anniversary of the terrorist attacks that killed nearly 3,000 people on September 11, 2001. (Photo by David Handschuh-Pool/Getty Images)

September 11th Memorial Held At Ground Zero On 9th Anniversary Of Attacks

NEW YORK - SEPTEMBER 11: Mourners gather around a reflecting pool in memory of victims of the 9/11 terrorist attacks September 11, 2010 in New York City. Thousands gathered to pay a solemn homage on the ninth anniversary of the terrorist attacks that killed nearly 3,000 people on September 11, 2001. (Photo by David Handschuh-Pool/Getty Images)

September 11th Memorial Held At Ground Zero On 9th Anniversary Of Attacks

NEW YORK - SEPTEMBER 11: Mourners gather around a reflecting pool in memory of victims of the 9/11 terrorist attacks September 11, 2010 in New York City. Thousands gathered to pay a solemn homage on the ninth anniversary of the terrorist attacks that killed nearly 3,000 people on September 11, 2001. (Photo by David Handschuh-Pool/Getty Images)

September 11th Memorial Held At Ground Zero On 9th Anniversary Of Attacks

NEW YORK - SEPTEMBER 11: Mourners gather around a reflecting pool in memory of victims of the 9/11 terrorist attacks September 11, 2010 in New York City. Thousands gathered to pay a solemn homage on the ninth anniversary of the terrorist attacks that killed nearly 3,000 people on September 11, 2001. (Photo by David Handschuh-Pool/Getty Images)