WCBS 880 9/11 Series: Michael O'Brien - Survivor Of The South TowerMichael O'Brien was sitting at his desk at Keefe, Bruyette & Woods on the 88th floor of the south tower of the World Trade Center when American Airlines flight 11 slammed into the north tower.

More From CBS New York

BUY TICKETS NOW
Get Our Morning Briefs
Bloomberg WCBS Tri-State Business Index

Listen Live