FILE – In this Feb. 17, 2016, file photo, Secretary of State John Kerry puts his hand to his ear while listening to a reporter’s question at the State Department in Washington. Kerry faces skeptical senators when he appears before a Republican-led panel just a day after the United States and Russia agreed on a new cease-fire for Syria. Kerry is scheduled to testify Feb. 23 before the Senate Foreign Relations Committee amid nagging questions over enforcement of the truce and how violations of the agreement will be handled. (AP Photo/Cliff Owen)