It's useful for activists just to be out there to keep you mindful and not get complacent, even if ultimately you think some of their criticism is misguided.

Stamina. There is a greater physical element to this job than you would think, just being able to grind it out. And I think your ability to not just mentally and emotionally, but physically be able to say, "We got this. We're going to be OK."

My wife has been my closest friend, my closest advisor. And ... she's not somebody who looks to the limelight, or even is wild about me being in politics. And that's a good reality check on me. When I go home, she wants me to be a good father and a good husband. And everything else is secondary to that.

There's not a liberal America and a conservative America - there's the United States of America.

The system isn't working when 12 million people live in hiding, and hundreds of thousands cross our borders illegally each year; when companies hire undocumented immigrants instead of legal citizens to avoid paying overtime or to avoid a union; when communities are terrorized by ICE immigration raids -- when nursing mothers are torn from their babies, when children come home from school to find their parents missing, when people are detained without access to legal counsel. When all that's happening, the system just isn't working.

You haven't seen a lot of turnover in my campaign. And the culture of my campaign is one in which I think everybody feels a great sense of ownership.

I do not want two classes of citizens in this country. I want everybody to prosper. That's going to be a top priority.