This counter-terrorism campaign will be waged through a steady, relentless effort to take out Isil wherever they exist, using our air power and our support for partner forces on the ground. This strategy of taking out terrorists who threaten us, while supporting partners on the front lines, is one that we have successfully pursued in Yemen and Somalia for years.

My hope and expectation is that regardless of what Donald Trump said during the campaign, he's going to have to look carefully at the realities when he moves forward.

In the course of a healthy debate, we prioritize different goals, and the different means of reaching them. But without some common baseline of facts, without a willingness to admit new information and concede that your opponent might be making a fair point, and that science and reason matter - then we're going to keep talking past each other, and we'll make common ground and compromise impossible.

Reading makes all other learning possible. We have to get books into our children's hands early and often.

How we think about terrorism has to be defined and specific enough that it doesn't lead us to think that any horrible actions that take place around the world that are motivated in part by an extremist Islamic ideology is a direct threat to us or something that we have to wade into.

Our intelligence communities spend a lot of time and effort gathering a lot of strands and a lot of data [on Russian hacking]. There are times where they're very cautious and they say, "We think this is what happened, but we're not certain."

You have to be involved during midterm elections, you have to care about what happens at a school board level.