2012 Presidential Debate Fallout: What Will Matter Most to Voters?

Jake Tapper explains how campaigns will navigate final weeks of election following final debate.
3:00 | 10/23/12

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Transcript for 2012 Presidential Debate Fallout: What Will Matter Most to Voters?
What about that big final debate last night. Who really won, and what is the after-effect? Abc's jake tapper traveling with a revved up president obama today. Reporter: After a raucous rally in delray beach, florida, this morning, president obama shared a moment with some enthusiastic supporters. I hope you are working really hard in school. Reporter: Unfortunately for the president, these floridians cannot vote and sunshine state polls show romney with momentum, but the president's post-debate swagger was unmistakable. Last night, the president painted romney as unsure and unsteady on foreign affairs. You've been all over the map and all over the map, all over the map. Reporter: Snap polls suggest the president won this final outing. I know you haven't been in a position to actually execute foreign policy, but every time you've offered an opinion, you've been wrong. Reporter: But if obama won the debate, romney benefited the most from debate season. His campaign once seemed doomed. Now, either candidate could win. The republican clearly had a different strategy for the night, trying to pass a threshold to be seen as an acceptable alternative. He auctioned away from his more bellicose rhetoric. We can't kill our way out of the mess. I congratulate him on taking out osama bin laden and going after the leadership in al-qaeda. Reporter: He so often expressed agreement with the president, seemingly frustrated. I'm pleased that you are now endorsing our police. Governor romney, I'm glad that you agree. Reporter: The most buzzy exchange came when the president responded with sarcasm to romney's charge that the navy fleet is too small. You mentioned the navy, for example, and that we have fewer ships that we did in 1916. Well, governor, we also have fewer horses and bayonets because the nature of our military's changed. And so the question is not a game of battleship where we're counting ships. Reporter: Horses and bayonets became the top debate-related search on google. One other interesting note from last night, diane, take a look at this video after the debate. Tagg romney, telling a radio host he talked about how he wanted to take a swing at the president for suggesting his father wasn't telling the truth. Last night, tagg apologized to the president, who accepted his apology. Diane? All right, jake, thank you, as you said the one-liner was his response about fewer horses and bayonets in the military now. Viewers went crazy as jake reported writing online about horses and bayonets 60,000 times in 60 seconds. So we wondered exactly how many bayonets are still in military use today and we're told the u.S. Military still has more than 600,000 in its inventory, just in case.

This transcript has been automatically generated and may not be 100% accurate.

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