Cityfile: New York's Most Notable and Influential

Happy Birthday | Sacha Baron Cohen turns 38 today. Ashanti is turning 29. Paul Simon is 68. Kelly Preston is turning 47. Kate Walsh of Grey's Anatomy and Private Practice is 42. Model Beverly Johnson is 57. Ivan Bart, the head of IMG Models, is turning 46. Billionaire Tom Tisch turns 55. Mega art dealer William Acquavella is 72. Sammy Hagar of Van Halen is 62. Access Hollywood's Billy Bush is turning 38. George Bush's former spokesman, Ari Fleischer, is 49. Marie Osmond is 50. Retired NFL star Jerry Rice is 47. Serena Altschul, the former MTV VJ and CBS News correspondent, is 39. Margaret Thatcher is 84. And Donald Trump's least famous child, Tiffany Trump, celebrates her 16th birthday today. 

These are difficult times for hedge fund king Paul Tudor Jones but he was all smiles as the guest of honor at last night's 11th annual NYU Child Study Center Gala at Cipriani 42nd Street. Joining Jones and his wife Sonia (left) was the center's director, Harold Koplewicz, co-chairs (and fellow finance big wigs) Gary Cohn and Lisa Pevaroff, David and Danielle Ganek, and Michael Novogratz and wife Sukey, and a crowd of nearly 600, including Vera Wang and Arthur Becker,  Jon Corzine, Elie Wiesel, Jane and Jimmy Buffett, Ellen Barkin, Erica Jong, Jane Rosenthal, Christiane Celle, Faith Popcorn, Al D'Amato, Larry Silverstein and wife Klara, Neal Shapiro and Juju Chang, Julie and Ed Minskoff, Elaine and Ken Langone, Susan and Martin Lipton, Claude Wasserstein, Linda and Arthur Carter, Alice and Tom Tisch, Vicki and Stuart Match Suna, and Brooke and Dan Neidich. [PMc, NYSD] More

Happy Birthday | Tiffany Trump, the Donald's fourth child and the only member of the immediate family who shares his hair color, turns 15 today. Also celebrating: Sacha Baron Cohen is 37. Ashanti is 28. Paul Simon turns 67. Kelly Preston is 46. Van Halen's Sammy Hagar turns 61. George Bush's cousin, Access Hollywood's Billy Bush, is 37. George Bush's former spokesman, Ari Fleischer, is 48. Modeling legend Beverly Johnson is turning 56. Modeling honcho Ivan Bart is 45. Art dealer William Acquavella is 71. And billionaire heir Thomas Tisch is 54.  

Last night, word emerged that The Sun, the right-leaning daily founded by Ira Stoll and Seth Lipsky in 2002, may end up shutting down at the end of the month if the company doesn't find additional investors willing to step in. The Sun has had financial problems since day one and it never made much headway in the circulation department. This time, though, it looks like it could be the end of the line: The paper even posted an account of its problems on its website. (Perhaps in the hope that another super-conservative, Jewish billionaire will turn up with his checkbook.) So why are the Sun's current backers—including Bruce Kovner, Tom Tisch, and Michael Steinhardt, left—giving up? They've got plenty of other stuff to worry about, that's why. More