2004-06-18 07:00:00   Movie Dodgeball: A True Story Dodgeball: A True Underdog Story, is a film that grabs life by the ball. Peter LaFleur (Vince Vaughn), is a charismatic underachiever and proprietor of a rundown gym called Average Joe’s. The facility’s clientele of decidedly less-than-average Joes is made up of…