James Jeffrey: “Iran is not to terror as al-Qaeda is to terror.”

It's unpleasant, it's transactional, it's ugly, but we and Turkey have very similar strategic goals.

If those troops are withdrawn fully, a very important tool we had to keep ISIS under control will be gone.

He has shown little willingness to be flexible on any issue, and at the moment may be concluding that it is better to sit on a pile of rubble with half his population and 60 percent of his country than to compromise.

It has been American leadership through two Administrations. It has been an 80-country, an organization coalition, a true international effort.