Kate Winslet turns 34 today. WNYC host Brian Lehrer is turning 57. Nicky Hilton is 26. Daniel Baldwin turns 49. Gerald Shargel, the attorney now in the news for defending Dave Letterman's alleged extortionist, is 52. Fellow defense attorney Mark Geragos is turning 65. Filmmaker Alexandra Pelosi turns 39. Teresa Heinz Kerry is 71. Bob Geldof is turning 58. Jeff Conaway is 59. Actress Josie Bissett is 39. And Neil deGrasse Tyson, the Hayden Planetarium director that People once described as "the sexiest astrophysicist alive," turns 51 today.