In this image fro video, Sen. Mitt Romney, R-Utah., speaks on the Senate floor, Thursday, Oct. 17, 2019, in Washington. (Senate television via AP)

President Donald Trump speaks about Turkey as he arrives at Naval Air Station Joint Reserve Base in Fort Worth, Texas, Thursday, Oct. 17, 2019. (AP Photo/Andrew Harnik)

Turkey's President Recep Tayyip Erdogan, left, talks with U.S Vice President Mike Pence, during their meeting at the Presidential Palace in Ankara, Turkey, Thursday, Oct. 17, 2019. A high level U.S. delegation arrived in Turkey on Thursday for talks on a cease-fire in Syria. (Presidential Press Service via AP, Pool)

Turkey's President Recep Tayyip Erdogan, right, shakes hands with U.S Vice President Mike Pence, prior to their talks at the Presidential Palace in Ankara, Turkey, Thursday, Oct. 17, 2019. A high level U.S. delegation arrived in Turkey on Thursday for talks on a cease-fire in Syria. (Presidential Press Service via AP, Pool)

Vice President Mike Pence, center, and Secretary of State Mike Pompeo, right, walk out with Turkish Vice President Fuat Oktay, second left, at the Presidential Palace after meeting Turkish President Recep Tayyip Erdogan, Thursday, Oct. 17, 2019, in Ankara, Turkey, following talks on the Kurds and Syria. (AP Photo/Jacquelyn Martin)