Barack isn't the only one with a reason to celebrate today. Georgina Bloomberg, the daughter of New York's mayor, turns 26. Real estate developer Kent Swig is 48. Newsweek editor and CNN fixture Fareed Zakaria is turning 45. Famed cardiologist Valentin Fuster is 66. The Office's Rainn Wilson is turning 43. Bill Maher…

A renowned cardiologist and the former president of the American Heart Association, Fuster heads up Mount Sinai Heart and serves as a professor of medicine at the Mount Sinai School of Medicine.