When we think of the major threats to our national security, the first to come to mind are nuclear proliferation, rogue states and global terrorism. But another kind of threat lurks beyond our shores, one from nature, not humans - an avian flu pandemic.

My Bible tells me that if we train a child in the way he should go, when he is old he will not turn from it. I think faith and guidance can help fortify a young woman's sense of self, a young man's sense of responsibility, and a sense of reverence all young people for the act of sexual intimacy.

If we truly believe in our public schools, then we have a moral responsibility to do better - to break the either-or mentality around school reform, and embrace a both-and mentality. Good schools will require both the structural reform and the resources necessary to prepare our kids for the future.

What is portrayed as high-minded positions on issues sometimes is just designed to carve out some of their commercial interests.

I think that what is always true when you run against an incumbent president is, is that you end up talking more about that president's record than your vision for the future, and I think that the Democrats do have to present a proactive agenda and vision for the country and not simply run against something if they're going to be successful.

All Americans should be deeply troubled by the fatal shootings of Alton Sterling in Baton Rouge, Louisiana and Philando Castile in Falcon Heights, Minnesota. We've seen such tragedies far too many times, and our hearts go out to the families and communities who've suffered such a painful loss.

[When I ordered 30,000 more troops into Afghanistan] that was the first time in which I looked out at a crowd of West Point graduates and knew that some of those might not come back because of that decision.