Martin Scorsese's The Wolf of Wall Street -- a rollicking three-hour black comedy based on the true story of debaucherous con man Jordan Belfort -- has become one of the most controversial films in the director's 50 year career. The filmmaker, who has nothing left to prove after directing 23 narrative features including such classics as Mean Streets, Taxi Driver, Raging Bull and Goodfellas, sees Belfort has part of a long tradition of the American confidence man who "takes your trust, takes your confidence and betrays you." While critics and moviegoers argue over whether Scorsese is celebrating Belfort or exposing...