The United States strongly condemns the illegal disclosure of classified information. It puts people's lives in danger, threatens our national security, and undermines our efforts to work with other countries to solve shared problems.

I made a mistake using a private e- mail.And if I had to do it over again, I would, obviously, do it differently. But I'm not going to make any excuses. It was a mistake, and I take responsibility for that.

Seen in the context of Donald Trump having committed sales tax fraud in the past, which is indisputable, I think that it's reasonable for the American public to ask, did you go beyond what's lawful, maybe scandalously lawful, but lawful, and violate the law?

I don't want to get into an insult fight with Donald Trump.

One of the best investments we can make is to give our kids the ingredients they need to develop in the first five years of life.

Words matter when you run for president. And they really matter when you are president.

It wasn't until 1998 that I ever seriously thought about running for office. And I didn't make up my mind to do that until 1999, and then I ran for the Senate. It was really hard for me.