A landmark documentary, "Salesman" captures in vivid detail the bygone era of the door-to-door salesman. While laboring to sell a gold-embossed version of the Holy Word, Paul Brennan and his colleagues target the beleaguered masses-then face the demand of quotas and the frustrations of life on the road. Following Brennan on his daily rounds, filmmakers David and Albert Maysles and Charlotte Zwerin (Gimme Shelter) discover a real-life Willy Loman, walking the line from hype to despair.