Troop withdrawals

Local residents cheer, as Turkish army tanks are transported on trucks in the outskirts of the town of Akcakale, in Sanliurfa province, southeastern Turkey, at he border of Syria, Thursday, Oct. 17, 2019. U.S. Vice President Mike Pence, heading a delegation that includes Secretary of State Mike Pompeo and White House national security adviser Robert O'Brien, arrived in Turkey on Thursday, a day after Trump dismissed the very crisis he sent his aides on an emergency mission to douse.(AP Photo/Emrah Gurel)

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)

In this photo taken from the Turkish side of the border between Turkey and Syria, in Ceylanpinar, Sanliurfa province, southeastern Turkey, smoke billows from fires in Ras al-Ayn, Syria, caused by bombardment by Turkish forces, Wednesday, Oct. 16, 2019. Turkey's President Recep Tayyip Erdogan called Wednesday on Syrian Kurdish fighters to leave a designated border area in northeast Syria 'as of tonight' for Turkey to stop its military offensive. (AP Photo/Lefteris Pitarakis)

President Donald Trump speaks during a meeting with Italian President Sergio Mattarella in the Oval Office of the White House, Wednesday, Oct. 16, 2019, in Washington. (AP Photo/Evan Vucci)

House Minority Leader Kevin McCarthy of Calif., left, speaks with members of the media alongside Rep. Mike McCaul, R-Texas, outside of the West Wing of the White House, Wednesday, Oct. 16, 2019, in Washington, after meeting with President Donald Trump. (AP Photo/Patrick Semansky)

Turkish President Recep Tayyip Erdogan gestures as he addresses his ruling party legislators at the Parliament, in Ankara, Wednesday, Oct 16, 2019. Erdogan called Wednesday on Syrian Kurdish fighters to leave a designated border area in northeast Syria 'as of tonight' for Turkey to stop its military offensive, defying pressure on him to call a ceasefire and halt its incursion into Syria.(AP Photo/Burhan Ozbilici)

In this photo taken from the Turkish side of the border between Turkey and Syria, in Ceylanpinar, Sanliurfa province, southeastern Turkey, smoke and dust billows from targets in Ras al-Ayn, Syria, caused by bombardment by Turkish forces, Tuesday, Oct. 15, 2019. Turkish artillery on Tuesday pounded suspected Syrian Kurdish positions near the town in northeast Syria amid reports that Kurdish fighters had retaken the town as Turkey pressed ahead with a military incursion that has drawn widespread condemnation. (AP Photo/Cavit Ozgul)

Members of the nationalist movements light flares during a rally marking Defense of the Homeland Day in center Kyiv, Ukraine, Monday, Oct. 14, 2019. Some 15,000 far-right and nationalist activists protested in the Ukrainian capital, chanting "Glory to Ukraine" and waving yellow and blue flags. President Volodymyr Zelenskiy urged participants to avoid violence and warned of potential “provocations” from those who want to stoke chaos. (AP Photo/Efrem Lukatsky)

A Turkish youth celebrates with a national flag after news about Syrian town of Tal Abyad, in Turkish border town of Akcakale, in Sanliurfa province, Sunday, Oct. 13, 2019. Turkey's official Anadolu news agency, meanwhile, said Turkey-backed Syrian forces have advanced into the center of a Syrian border town, Tal Abyad, on the fifth day of Turkey's military offensive. (Ismail Coskun/IHA via AP)

In this photo taken from the Turkish side of the border between Turkey and Syria, in Ceylanpinar, Sanliurfa province, southeastern Turkey, smoke and dust billows from targets in Ras al-Ayn, Syria, caused by bombardment by Turkish forces, Tuesday, Oct. 15, 2019. Turkish artillery on Tuesday pounded suspected Syrian Kurdish positions near the town in northeast Syria amid reports that Kurdish fighters had retaken the town as Turkey pressed ahead with a military incursion that has drawn widespread condemnation. (AP Photo/Lefteris Pitarakis)