One of the keys to Obama's success has been attracting new voters to the polls, mainly the young, the black and even the Latino. Part of his general election strategy is to massively increase those efforts. Here are maps with different projections of what new voter turnout would do. This is following this model explained here.
Ask Sherrie Matula and BAND how new voters and block walking outreach are changing her very solidly red district in Southeast Harris County Texas blue.
One of my fellow bloggers doesn't think that the new Obama people, or the new Dean people from four years ago, will commit the time and energy to pull this off. I tend to disagree.