Williams sisters advance at Key Biscayne (AP) Volleys came at Serena Williams in a flurry. She sprinted to her right to chase one down, then to her left, then right, then left, finally ripping a backhand winner to end the frantic exchange. Williams always seems to rise to the challenge at the Sony Ericsson Open, where she has won four titles and is back in the quarterfinals. Publish Date: Mon, 31 Mar 2008 15:17:29 PDT Read more...