Quick impressions: There’s at least some small chance that Dean’s new over-dog-dom won’t wear well. Every other candidate was reveling in their newfound underdog status during the first round of answers. There was even a reference to a Dean “coronation” and Sharpton complained of “bossism” boosting Howard Dean. Is dean becoming too establishment? On the other hand, everyone else would love to be in his position, and he rebutted the other candidates on the Gore endorsement deftly, saying they should attack him, not Gore….