I couldn't think of anything less appealing than molding the minds of tomorrow's leaders.

You know, Lincoln was funny. I don't think F.D.R. was very funny. But Lincoln was funny. Lincoln was really funny. But I think you should get elected first, and then show that you're funny.

The government must give proper weight to both keeping America safe from terrorists and protecting Americans' privacy. But when Americans lack the most basic information about our domestic surveillance programs, they have no way of knowing whether we're getting that balance right. This lack of transparency is a big problem.

I want to reclaim 'liberal.' I'm a liberal, and I think most Americans are liberals.

There's an appeal to the American sense of exceptionalism, that we're morally superior, as way to not be self-critical. I think that's a bit dangerous.

Too many people don't protect their smartphones with a password or PIN. I anticipate that Apple's fingerprint reader will in fact make iPhone 5S owners more likely to secure their smartphones.

Progressives, in a way, are the new conservatives. We want to conserve what we fought to build.