Meet John Tomic, The World's Craziest Tennis Dad

John Tomic, father of Bernard Tomic, is a wacko. He fits nicely in tennis's fine tradition of belligerent, obsessive, control-freak helicopter parents. Sometimes he yells at his son. Sometimes he head-butts his son's hitting partner, knocking him unconscious. » 9/16/13 5:32pm 9/16/13 5:32pm