Leon Panetta: “I share your concern about the increased violence levels in Mexico and the threats posed by transnational criminal…”

Well, it should not have happened. I don’t care what excuses you want to use, it should not have happened.

I think the United States ought to be part and parcel of any agreement to be able to provide a security assurance to make sure that Ukraine is protected from the kind of invasion that we've seen from Russia.

What Trump is trying to do in order to convince Putin to come to the table is not going to work if Putin senses weakness on the part of the United States.

Mr. Trump has always prided himself on being a dealmaker, pledging in his campaign that he would resolve such conflicts in the first few days of his presidency.