This week I've travelled more than 15,000 miles from America to China to Burma to Australia. I have no idea what time it is right now.

It still puts burden on some troops of ours who are there [in Afghanistan and Iraq] as advisors and facilitators.

It was into my father's image, the black man, son of Africa, that I'd packed all the attributes I sought in myself, the attributes of Martin and Malcolm, DuBois and Mandela.

Climate change constitutes a serious threat to global security.

Whether it's coming from FDR or it's coming from Ronald Reagan, if the idea is right for the times then we're gonna apply it. And things that don't work we're gonna get rid of.

I think every case is different. Every situation is different. People come on the F.B.I.'s radar screen for a variety of reasons at a variety of times.

Just listen to what Mr. [Donald] Trump has to say and make your own judgment with respect to how confident you feel about his ability to manage things like our nuclear triad.