Excited Onlookers Keep Stop- ping Newt Gingrich to pose for photos or sign autographs after his long day bashing President Obama on everything from energy to Egypt. But when asked about his real agenda at the popular Conservative Political Action Conference-floating an actual candidacy-the ex-House speaker turns cautious. "You have to decide whether it's something you feel compelled to do," he says, "and if it's absolutely your duty to do it."
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