Not only does Diddy get to vote or die today, he gets to celebrate his birthday, too. He's 39. There probably won't be much to celebrate in the White House today, but Laura Bush will have one reason to. She's turning 62. Also celebrating: Literary agent Andrew Wylie is 61. Playwright Jon Robin Baitz is turning 47. Book publisher Jonathan Galassi is 59. Matthew McConaughey is celebrating his 39th. Kathy Griffin is 48. Disney/ABC president Anne Sweeney is celebrating the big 5-0. Walter Cronkite is 92. Survivor host Jeff Probst is turning 46. Author Charles Frazier is 58. And the Karate Kid, Ralph Macchio, is 47.