He spoke of his party affiliation as though it were a congenital defect rather than a choice. "It's an impediment. It's a hurdle I have to overcome," he said. "I've got an 'R' here, a scarlet letter."

That left the candidate in a difficult spot. "For me to pretend I'm not a Republican would be a lie," he reasoned. But to run as a proud Republican? "That's going to be tough, it's going to be tough to do," he said. "If this race is about Republicans and Democrats, I lose."