There is probably a perverse pride in my administration... that we were going to do the right thing, even if short-term it was unpopular. And I think anybody who's occupied this office has to remember that success is determined by an intersection in policy and politics and that you can't be neglecting of marketing and P.R. and public opinion.

It may be something that future generations are more open to, but I am pretty confident that for the foreseeable future, using the argument of nondiscrimination, and "Let's get it right for the kids who are here right now," and giving them the best chance possible, is going to be a more persuasive argument.

The last thing that I want to do is to have the United States be a foil.

There is a reason why George Washington is always one of the top three presidents, and it's not because of his prowess as a military leader; it's not because of the incredible innovations in policy that he introduced. It's because he knew when it was time to go.

If you look at the current Mosul campaign against ISIL, for example the few thousand troops that we have there to support that effort allows the Iraqi military to move forward in an effective way.

[ William Ayers] is an example of what I'm talking about. This is a guy who lives in my neighborhood, who's a professor of English in Chicago who I know and who I have not received some official endorsement from. He's not somebody who I exchange ideas from on a regular basis.

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