Turkey isn't our ally anymore in any practical sense. They are part of the Russia/Iran/China axis in the region now. And they will continue to pressure the Kurdish/U.S. relationship to its breaking point or we kick them out of NATO, which is also likely.
If Trump gets a deal with NK done it will have spillover effects with Iran and Syria.
RE: The U.S. is Losing, That's Why We're Willing to Talk