Juliette Kayyem: “I think the point here is the motive really does not matter right now. It was clearly a terror act.”

They are domestic terrorists, and their leader or the person they view as their leader, Donald Trump, are now not just disbanded, they can't grow.

I refuse to believe that there aren't moments in Nikolas Cruz's last three or four months where people aren't beginning to recognize something very bad is about to happen.

Keeping Flynn as national security advisor is not only sort of I think embarrassing for this White House, I also think it is dangerous.

You cannot fight an urban war like this without Israelis being vulnerable, especially given the intelligence setbacks that we know exist.