The greatest threat to U.S. and global security is no longer a nuclear exchange between nations, but nuclear terrorism by violent extremists and nuclear proliferation to an increasing number of states.

There are problems that just end up being really hard and by definition the only problems that come to my desk are the ones that nobody else can solve.

The Russians don't make determinations about what our defense posture is.

We live in a culture that discourages empathy. A culture that too often tells us our principle goal in life is to be rich, thin, young, famous, safe, and entertained.

I can't really characterize any country, except to say that we work well with a number of our foreign counterparts.

One of the best investments we can make in a child’s life is high-quality early education.

If you like your health care plan, you can keep your health care plan.