James Clapper: “This is not a trivial undertaking and it's not something that can be done on a part-time basis.”

A stark reminder that the terrorist threat to this country hasn't gone away. We cannot take our eyes off this ball.

The frequency with which they are occurring, tells me that they're kind of in - they realize they're kind of in a jam.

Ties with Tehran offer some regional governments a means of staking an independent position on Iran, thereby mitigating its isolation while also attempting to extract Iranian financial aid and investment for economic and social projects.

I think it has more to do with the psychology of Putin, and Russia. And he needs to assure his own people, Parliamentarians, he was talking to, and for that matter, himself, that Russia is still a great power.