AP
U.S. Secretary of State Rex Tillerson, right, meets with Poland Prime Minister Mateusz Morawiecki during a visit to Warsaw, Poland, Saturday, Jan. 27, 2018. Tillerson's two-day visit to Poland was to include discussions of security and other issues and a visit to a memorial site to martyrs of the Warsaw ghetto uprising on International Holocaust Remembrance Day on Saturday. (AP Photo/Czarek Sokolowski)