In the two weeks that the Wall Street financial crisis has dominated the political debate, the presidential race has shifted from what had been essentially a dead heat to one in which Sen. Barack Obama has opened up a narrow but perceptible advantage nationally, as well as in a number of battleground states.
The burden now falls on Sen. John McCain to reverse the effects of the focus on the economy, and to keep the contest close enough so that a dominant debate performance, a gaffe by Obama or some outside event can shift the momentum back to him.