WASHINGTON—The U.S. and Turkey failed to break a deadlock in talks over Ankara’s plans this summer to deploy a Russian air-defense system the Pentagon says could jeopardize U.S. fighter aircraft in the region, officials said. The U.S. has said it would impose sanctions on Turkey if the deal proceeds. Turkish officials on Tuesday repeated the deal has been signed and is final. “Sanctions…will...

Source: Wall Street Journal April 16, 2019 22:30 UTC