WORKING LUNCH U.S. Defense Secretary Chuck Hagel, left center, hosts a working lunch for Singapore's Prime Minister Lee Hsien Loong, right center, at the Pentagon, April 1, 2013. The two leaders met to discuss issues of mutual concern. SHARE IMAGE: Download Image: Full Size (0.07 MB) Photo By: VIRIN: 734504-C-ZEQ42-438.jpg Photo Gallery