Actress Katherine Heigl turns 31 today. Colin Hanks, the actor and son of Tom Hanks, is turning 32. Acclaimed author Arundhati Roy turns 48. Former congressman and outgoing MPAA chairman Dan Glickman is 66. Former NFL commissioner Paul Tagliabue is 69. Former White House Press Secretary Marlin Fitzwater is turning 67. Former Beatle Pete Best is 68. And the infamous Linda Tripp is turning 60.