The Mystics announced today that guard Alana Beard will undergo ankle surgery next week and will probably miss the entire 2010 WNBA season. That puts the Mystics bench without their team leader in points per game for the past five seasons. Last season, Mystics Head Coach Julie Plank called her a “franchise player.” General Manager Angela Taylor included the following statement in the Mystics’ press release: “We are disappointed for Alana because she is committed…