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 is 53. Director David Lynch is 63. James Denton is turning 46. Lorenzo Lamas is 51. Buzz Aldrin is turning 79. And Melissa Rivers, the daughter of Joan Rivers, is 41 today.