Secretary of State Rex Tillerson delivers an address at the Wilson Center in Washington, Tuesday, Nov. 28, 2017. (AP Photo/Sait Serkan Gurbuz)

Secretary of State Rex Tillerson delivers an address at the Wilson Center in Washington, Tuesday, Nov. 28, 2017. (AP Photo/Sait Serkan Gurbuz)

Secretary of State Rex Tillerson delivers an address at the Wilson Center in Washington, Tuesday, Nov. 28, 2017. (AP Photo/Sait Serkan Gurbuz)