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 can't be French and Muslim at the same time. And that's exactly what ISIS wants that population to think.

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 we have started accelerating over the past years. It's a modernization of NATO. It's at air, it's at sea, it's undersea, it's in cyber. Estonia in 2007, hit by Russian cyber-attacks. So what you see there with those exercises are critical.

They [ French] still have an open border in Europe. And they have a Europe which doesn't have an integrated intelligence system like we do in the United States.

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