Serena Williams Apologizes For U.S. Open Incident

Serena Williams just wrote on Twitter: "I want to sincerely apologize FIRST to the lines woman, Kim Clijsterst, USTA & mostly tennis fans everywhere. Thank you all for your support." In a lengthier apology on her blog she says: » 9/14/09 1:40pm 9/14/09 1:40pm