2009 SPECIAL OLYMPICS ARIZONA SUMMER GAMES KICK OFF ON THURSDAY, APRIL 30 Over 1,000 athletes to participate in numerous events   PHOENIX – (April 13, 2009) – Special Olympics Arizona will host the 2009 Summer Games Thursday, April 30 through Saturday, May 2.   The Games will feature track and field events, artistic and rhythmic gymnastics, kayaking, power lifting, and tennis.   Additionally, indoor athletics will be held for wheelchair athletes and assisted walk participants.   Almost 1,200 athletes are registered to participate at two designated venues.   Mesa