Charmie, Serena, 14, Tommy, 16, and Bob Vince, left to right, sing during the Fortnight for Freedom at George Washington University in Washington D.C. (Raymond Thompson/The Washington Times)
Venus Williams and her sister, Serena, celebrate after winning a point during an exhibition doubles tennis match against Italy's Flavia Pennetta and Francesca Schiavone, in Milan, Italy, Saturday, Dec. 3, 2011. (AP Photo/Antonio Calanni)