Preview Of Final Presidential Debate

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ST. LOUIS, MO (KPLR)-- You Decide 2012 tonight is your last chance to see President Barack Obama and Mitt Romney on stage together before the election.

The two will face off in Florida for the third and final debate. The focus tonight: foreign policy.

National polls indicate the candidates are tied in the race, making this debate a potential game-changer.

You can expect the Obama campaign to point out his foreign policy successes as commander in chief.

Romney will likely hit hard on Libya.

Tonight's 90 minute debate will be moderated by Bob Schieffer, host of "Face the  Nation."