However thrilling it is when your dentist cancels an appoint-ment, the high seldom lasts. At some point, a bad tooth needs attention. By the same token, Tony Blair's decision to seek re-election on June 7th instead of May 3rd brought the briefest of reprieves to William Hague. A week is a long time in politics, but not even an extra four of them will give the Conservative leader long enough to climb the Himalaya of adverse opinion polls and topple Labour in a general election.
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