The International Herald Tribune SEOUL North Korea called President George W. Bush an imbecile and a tyrant who puts Hitler in the shade, unleashing a stream of insults Monday that seemed to rule out any serious progress on nuclear disarmament talks before the American elections in November.."The meeting of the working group for the six-party talks cannot be opened because the U.S. has become more undisguised in pursuing its hostile policy toward North Korea," a spokesman for North Korea's Foreign Ministry told the country's state-controlled news agency. This after we announce our troop withdrawal or up to 12,000 from South...