Comedians, TheA poor nation can mean riches for the corrupt. In an absorbing screenplay based on his novel, master of intrigue Graham Greene (The Third Man, The Quiet American) sets passions both romantic and political against the backdrop of Haiti during the brutal rule of Papa Doc Duvalier. Richard Burton and Elizabeth Taylor lead a who's who cast of stars who portray diplomats, imposters, adulterers, hangers on, the indolent and even a pair of pacifist