缤纷世界（2009）

Ben Singer (Matthew Broderick) is a failed children"s folk singer, a career proofreader, a compulsive marijuana smoker, and a less-than-extraordinary weekend dad. He"s also the most negative man alive. Floundering in all aspects of his life, Ben"s only comfort comes from regular chess games and friendly debates on game theory with his Senegalese roommate Ibou. When Ibou is sudd...