Adam Smith actually said...

We have to be very, very diligent to protect our country, not just from refugees, but from, you know, gosh, our own citizens.

The root cause of the problem here is we don't have a legitimate Sunni force in Syria or Iraq that--well, that exists, basically.

A comprehensive solution is needed.

I think they still are too, too open to a more radical interpretation of their religion that creates a larger problem.