William R. Richardson: “Well, the reality is what's the alternative? We have not engaged in talks. There haven't been six-party talks. They're…”

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 think it was a terrible mistake. China is going to fill that vacuum.

I think Hillary has to show that she can get things done and Bernie Sanders, for all his good policies and progressive face, does not have a record of passing legislation.

Well, success for me would be a commitment by North Korea to dismantle some--some of their weapons, missiles.