Brown is targeting traditional blue-collar Dem voters as well. The Democrats are now the party of the ultra-rich elites and poor who want something for nothing. I don't think the middle-class is going to play this game any longer. Brown has a good chance of winning.
I’d love to see it, but then I’d like to see a unicorn too. This is Massachusetts, after all. They voted for McGovern (along with D.C.) in 1972.