William R. Richardson: “If you just do border security, you're only curing half of the problem.”

We absolutely need them to keep enforcing sanctions or the pressure on North Korea will deteriorate.

Perhaps a vaguer statement that says tensions are less and the war is over, OK. Maybe. But not as a tradeoff unless there is substantial denuclearization.

I think what the administration needs to do, first of all, yes, find a way to publicly state what we know. Get the facts, make sure that the facts are 100 percent.

I know we were all shocked at where President Trump has taken U.S.-Mexico relations, calling Mexican immigrants rapists and murderers.