DEBATE PREVIEW: Who Could See a Big Shift After Final Presidential Debate?

With only a seeming handful of days left before the presidential election, the third and final presidential debate on foreign policy could affect the candidates' standing in the eyes of likely voters.

Tonight, Joe Trippi and Karl Rove weighed in on how the electoral college map is shaping up, who has the lead, and who's at risk. According to Trippi, the Obama camp has "got to be concerned" heading into the Lynn University debate.

So, what impact will tonight have on the presidential election itself? Get analysis: