In the hours after Barack Obama delivered his victory speech in Grant Park last Tuesday, four of his top advisors -- David Axelrod, David Plouffe, Robert Gibbs, and Anita Dunn -- all sat down with CBS News' Steve Kroft to discuss the campaign.  The strategists talked about Plouffe's plan to "enlarge the playing field" into numerous red states and noted that outsiders laughed at the idea early on in the campaign.  When asked how they ended up winning states like North Carolina and Indiana, Plouffe responded, "First of all, we believed we could. ... But we also had these volunteers and without them the idea of winning North Carolina and Indiana would be a bridge too far.  Our campaign was the art of the possible because of these millions of people out there."  Watch it:

You can find full video of the segment here.