Michael Barone does some 'splainin'.

Here.

And the bottom line:

So I was wrong. I take some pleasure in finding I have been wrong, because it’s an opportunity to learn more. As I prowl through the 2012 election statistics I will have an opportunity to learn much more about America and where we are today. A nation dissatisfied with the results of a Democratic president, Democratic Senate and Republican House has decided to return a Democratic president, Democratic Senate and Republican House. Lots to learn for all of us.