The use of encrypted communication and data storage to shield terrorist coordination from intelligence and law-enforcement authorities is known as 'going dark.'

Early on, when my wife and I were dating, we went to the grocery store, and I told her that sometimes I just buy birthday cakes, and I eat them. And she said: 'Really? I do, too.'

Are we fighting too many wars? And I would say no. We're fighting one war. And it's a war against radical Islamic Jihad.

Are we fighting too many wars? And I would say no. We're fighting one war. And it's a war against radical Islamic Jihad.