Health Celebrities With Heart Conditions January 25, 2013 / 3:00 AM EST / CBS News Alex Trebek. (credit: Frederick M. Brown/Getty Images) Barbara Walters Bert Reynolds Bill Clinton Bill Clinton (file/credit: Bryan Bedder/Getty Images) Bret Michaels Charlie Rose David Letterman Dick Cheney Jennie Garth Kelsey Grammer Larry King Miley Cyrus Regis Philbin Robin Williams Shaun White Toni Braxton