We have to face up to systemic racism. We see it in jobs, we see it in education, we see it in housing. But let's be really clear; it's a big part of what we're facing in the criminal justice system.

It wasn't the best choice. I made a mistake. It was not prohibited. It was not in any way disallowed. And as I have said and as now has come out, my predecessors did the same thing and many other people in the government.

You've got to ask yourself, why won't Donald Trump release his tax returns? I think there may be a couple of reasons. First, maybe he's not as rich as he says he is. Second, maybe he's not as charitable as he claims to be. Third, we don't know all of his business dealings, but we have been told through investigative reporting that he owes about $650 million to Wall Street and foreign banks. Or maybe he doesn't want the American people to know that he's paid nothing in federal taxes.

I'm going to stand up for what [Donald Trump] says and does that is threatening to Americans, to the lives of Americans, the rights of Americans.

We all rely on the market's transparency and integrity.

The first step is to take weapons off the streets and to put more police on them.

I'm very pleased we got that nuclear agreement. It puts a lid on the nuclear weapons program. We have to enforce it, there have to be consequences attached to it. But that is not our only problem with Iran.