Reps. Trey Gowdy (R-S.C.) and Adam Schiff (D-Cal.) on the Benghazi investigation and Hillary Clinton's emails; Sens. John Barrasso (R-Wyo.) and Ben Cardin (D-Md.) on U.S. relations with the Middle East and the Republican senators' letter to Iran. Also: an interview with Rula Ghani, the First Lady of Afghanistan.—anonymous