Obama, Romney Prepare for the Battle After the Election

The closer the numbers, the bigger the nightmare

As President Obama and Republican challenger Mitt Romney spent election eve rushing from one swing state to another, their campaigns were already preparing for a complicated — and possibly long — battle over Tuesday's vote.

On Monday, Obama scheduled visits to three states, and Romney four. But the Republican also planned to continue campaigning into Election Day, visiting the key states of Pennsylvania and Ohio one last time.