Every pundit is allowed to be wrong, but Bruce Anderson, the political editor of the London Spectator and John Major's most ardent fan, has used up his lifetime quota. Anderson wrote a prognosticating column the week before the British election that will go down in history. "I have been up country for the past few days, forming an impression of how the campaign is going," he told his readers in the April 26 issue. "There will be no uniform national swing," he predicted. "I could not detect any sign of a Labour landslide; there is no surge of enthusiasm for Mr. Blair or his party. . . . A Tory victory is still possible, though unlikely. But an overall Labour majority seems equally unlikely."