President Barack Obama and Republican Mitt Romney are heading into the final full week of campaigning in a race that polls show is extraordinarily close.
But there are some wild cards ahead of the Nov. 6 vote.
Coming Friday is one last jobs report before Election Day. And there's also that big storm threatening the East Coast -- and it could affect campaign schedules and early voting.
Democrats claim math is on the president's side. Republicans insist Romney's got the momentum.
The campaigns are scrambling to tweak schedules, shift manpower and pump millions of more dollars into TV ads in the nine states that will determine the outcome.