Behold the final four faces of renegade justice: James Bond (Casino Royale), Sheriff Chance (Rio Bravo), Martin Riggs (Lethal Weapon) and Harry Callahan (Dirty Harry). When it comes to upholding the law, each of these icons of law enforcement has his own style (and definition) of justice. But which one carries it out best? Vote now; the winner will be announced on air on Wed., Apr. 1.