The popular vote was almost even, but President Obama won big in the Electoral College. Control of the House and the Senate did not change at all. Despite the evidence of a polarized nation, exit polling reveals an electorate that's evolving along demographic lines. There's talk of the Reagan Revolution fading at last as both parties form new coalitions. We hear about white men, women, Hispanics, and youth. In the meantime, can a re-elected president and a lame-duck Congress keep the nation away from the "fiscal cliff" and set the stage for bipartisanship?