US Secretary of State Rex Tillerson, left, and Saudi Arabia's Foreign Minister Adel bin Ahmed Al-Jubeir, right, sit after a meeting about Yemen at the Steigenberger Hotel on Thursday, Feb. 16, 2017 in Bad Neuenahr, near Bonn, Germany. Foreign ministers from 20 of the world’s leading nations met Thursday in the former German capital to discuss current conflicts and ways to prevent future crises against a backdrop of uncertainty among allies and adversaries about the direction of U.S. foreign po