NEW YORK - AUGUST 28: Roger Federer of Switzerland smiles while in a press conference held on Arthur Ashe Kids' Day prior to the start of the 2010 U.S. Open at the USTA Billie Jean King National Tennis Center on August 28, 2010 in the Flushing neighborhood of the Queens borough of New York City. (Photo by Jaime L. Mikle/Getty Images)