"Photo - FILE - In this Aug. 12, 2009 file photo, President Barack Obama presents the 2009 Presidential Medal of Freedom to Billie Jean King, known for winning the famous ""Battle of the Sexes"" tennis match, and championing gender equality issues,  during ceremonies at the White House in Washington. King believes standing up to discrimination is the best way to combat it. She will help lead the U.S. delegation in the opening ceremonies at the Sochi Olympics in Russia, which recently passed an anti-gay law.  (AP Photo/J. Scott Applewhite, File)"