Seven rivals for the 2012 Republican nomination took to the stage in New Hampshire for a debate tonight, but their focus was on attacking President Obama, not trying to score points off each other. Herman Cain, Newt Gingrich, Tim Pawlenty, Ron Paul, Mitt Romney, Rick Santorum, and Michele Bachmann—who announced her candidacy during the debate—did little to emphasize their differences, generally passing up opportunities to criticize each other, the Washington Post finds.