"Together, their deeply shared belief was that we have an obligation to give back to this country that has given us so much. And that's what I've tried to do with my life, is to give back, to work hard," he told the Associated Press on Tuesday. "I have regarded the measure of my life as not how much money I make, but how many people I help."
"I do what I think is right and let the chips fall where they may," he said. "I fight tenaciously and relentlessly for people when they need help and for causes that make a difference in people's lives, and that's what I'll do if I'm elected U.S. senator."