Work Meets With Niger President U.S. Deputy Defense Secretary Bob Work, center, meets with Niger's President Mahamadou Issoufou in Washington, D.C., Aug. 7, 2014. The two met during the 2014 U.S.-Africa Leaders Summit. SHARE: Download: Full Size (0.07 MB) Credit: VIRIN: 749623-I-KIP74-461.jpg Photo Gallery