CNN's Anderson Cooper turns 42 today. Tennis star Rafael Nadal is turning 23. Humorist/Apple pitchman John Hodgman is 38. Stanford law professor and Internet pioneer Lawrence Lessig is 48. Raul Castro, the president of Cuba, is turning 78. Actor Tony Curtis is turning 84. John Barlow, the Broadway publicist and partner of producer Scott Rudin, is 41. High Line advocate Josh David turns 46. Phish bassist Mike Gordon is 44. Melissa Mathison, the ET screenwriter and ex-wife of Harrison Ford, is 59. And former game show host and Confessions of a Dangerous Mind author Chuck Barris turns 80 today.