Missed the final presidential debate? Watch the complete broadcast here

BOCA RATON, Fla. - The candidates covered foreign policy and even a few domestic issues at Tuesday's third and final presidential debate.

From here, the candidates will vastly accelerate their travel, ad spending and grass-roots mobilizing in a race that's likely to cost upward of $2 billion by the time it all ends.

All the focus now is on locking down support in the nine states whose electoral votes are still considered up for grabs: Colorado, Iowa, Florida, New Hampshire, Nevada, North Carolina, Ohio, Wisconsin and Virginia. No surprise then, that Obama campaigns Tuesday in Florida and Ohio while Romney heads West to Nevada and Colorado.

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Neither candidate scored a knockout punch in their third and last debate Monday, as both men reined in the confrontational sniping that had marked their last testy encounter.

With polls showing the race remains incredibly tight, first lady Michelle Obama made a prediction before the candidates left Florida that neither side would dispute: "This election will be closer than the last one -- that's the only guarantee."

Obama made it look easy in 2008. He won 365 electoral votes to 173 for Republican John McCain. And he got 53 percent of the popular vote, to 46 percent for McCain.

With 270 electoral votes needed for victory, Obama at this point appears on track to win 237 while Romney appears to have 191.

The other 110 are in the hotly contested battleground states.

The candidates' strategies for getting to 270 are implicit in their itineraries for the next two weeks and in their spending on campaign ads.