Historically, it is important to try to understand your adversary in order to figure out how they are thinking, what they will be doing, how they will react.

I'll protect and expand access to no-copay birth control and safe, legal abortion.

I do agree that in particular, Turkey and the Gulf nations have got to make up their minds. Are they going to stand with us against this kind of jihadi radicalism or not? And there are many ways of doing it. They can provide forces. They can provide resources. But they need to be absolutely clear about where they stand.

I made a mistake. I should've had two accounts, one for personal and one for office. And I didn't, and I take responsibility for that.

I would like to save lives. Now you know, the gun lobby will say, "You can't stop everybody." And I would agree with that: You can't stop everybody. Isn't it worth stopping as many as possible, saving as many lives as we can? And I think comprehensive background checks and trying to keep guns outta the wrong hands would help us do that.

If there are issues, if there's wrongdoing, people have to be held accountable and we have to try to deter future bad behavior.

When I took on the drug companies and the insurance companies for universal health care coverage, they went after me with a vengeance.