In 35 years as Manhattan DA, Robert Morgenthau has gotten along with every mayor of New York -- except the current one. Mike Bloomberg, says Morgenthau, "doesn't want anybody around who doesn't kiss his ring, or other parts of his body." In a wide-ranging interview with the Wall Street Journal, the 90-year-old, who leaves office Thursday, addresses everything from his feud with the mayor to the international crimefighting role his office has played during his tenure. As usual, he pulls no punches: On enforcing economic sanctions against Iran and its business partners: "The president is smoking pot or something if...