By Tim Marshall, November 5, 2009
Fifty-two weeks is a long time in politics, but not long enough to turn around the supertankers of American foreign policy. That is especially true when, after taking power, you realise that changing policy can lead you into a course strewn with mines, waiting to blow your tankers out of the water.
Fifty-two weeks ago President Obama’s election victory speech promised that: “Change has come to America”. That is a moot point. What is harder to argue is that America has brought change to the world.