Vince Carter: Legacy comes across as the Antonio Salieri of pro basketball, except that while Salieri (the one in the movie, at least) made up for his mediocrity with malevolence, Carter always desperately lacked the killer instinct necessary to succeed in the NBA; as Charles Barkley puts it, “I'll tell you the biggest problem with Vince Carter. He's a nice guy ... [a great player] would slap his...