Actor-turned-director Clark Gregg shows he is as adept behind the camera as he is in front of it with CHOKE, a wickedly colorful dark comedy about mothers and sons, sexual compulsion, and the sordid underbelly of Colonial theme parks. Victor Mancini (Rockwell), a sex-addicted med-school dropout, who keeps his increasingly deranged mother, Ida (Huston), in an expensive private medical hospital by working days as a historical reenactor at a Colonial...