But there were signs of weariness. He snapped at a heckler in Fayetteville who shouted that neither he nor Hillary had done anything to work toward universal health coverage during his presidency.
"You're wrong. I can't believe you're saying this," he said, in a rejoinder that brought the biggest cheers of the stop. "For you or any other person to claim she didn't work hard is the craziest thing I ever heard."