WASHINGTON -- President Bush's departure this week for a less-than-friendly reception in Britain while his most important piece of domestic legislation is in jeopardy looks like the wrong trip to the wrong place at the wrong time. The House Republican leadership trying to pass a prescription drug subsidy is not happy about his absence. But many rank-and-file GOP lawmakers will be delighted if the bill sinks while the president is away. Odds are that Medicare legislation, after nearly four months in a Senate-House conference following passage by both houses, will not sink. It is intended to inoculate Bush's re-election campaign...