Jun 27th 2002 For the first time at least since 1989, but arguably since 1945, America has both the chance and the motivation to reshape the world, writes Bill Emmott, the editor of The Economist WHEN Dean Acheson, Harry Truman's post-war secretary of state, wrote his autobiography, he chose a grandiloquent title to describe his dozen years in government. He had been “Present at the Creation”, he said, by which he meant the building by America of a new world, out of the wartime rubble of the old—or, at any rate, of half a new world, the free half, while...