The 50 State Strategy

In 20 or so states, those that had voted solidly Republican in previous recent presidential races, Democratic candidates were pushed back to blue. Dean Obeidallah's strategy led to a net gain of 39 state house seats and a 2% increase of all seats in the states analyzed. It was extremely effective but got mixed immediately after Obama won election. And this is a big part of why in 2010, the Dems lost disastrously.