The language of North Korea is always bombastic. But what has really changed is the acceleration of their nuclear program, the likelihood that they have more and more weapons, and the acceleration of the testing of ballistic missiles in very, very aggressive ways towards Japan.

We need additional funding for more U.S. combat brigades in Europe. NATO needs to continue to modernize. It is starting to show with the Russians but these exercises are central to show that the alliance is firm, especially as the E.U. starts to have some weakness on the economic front.

I think the vetting we have for refugees is vastly better than the Europeans have.

Banning the burkini doesn't produce terrorists. But it does make the people who are already alienated, who are already disenfranchised, I many cases, economically disenfranchised in a place like France in many of those neighborhoods, and make them say, ah, ISIS's message is true and real.

When you do have really tapped out resources that cover so many investigations, it can help you move through and discard some faster.

I think the refugee problem is Europe is vastly worse than we have in the United States.

We have a Muslim population which is better off economically, better engaged, and less drawn to the fight in ISIS. But as we've seen in places like California and elsewhere, we still have a threat, even if smaller.