Leon Panetta: “The moment has come for the U.S. to deploy its oil and gas in support of its security interests around the world.”

If he is careless with that awesome power, the United States could very well find itself in another world war.

Well, I think you saw a tragic and historic moment take place in the Oval Office, in which 80 years of United States foreign policy has largely been turned on its head.

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.

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.