FAIRFAX, Va. — Justin Kier scored 15 points with 14 rebounds, Otis Livingston II scored 13 and George Mason beat St. Bonaventure 68-53 on Sunday for its first 2-0 start in Atlantic 10 play. Livingston became the fourth-leading scorer in George Mason (8-7) history, moving past Robert Dykes with 1,647 career points. The Patriots led