OFFICE CALL Lee Hsien Loong, Prime Minister of Singapore, welcomes U.S. Navy Adm. Mike Mullen, chairman of the Joint Chiefs of Staff, during an office call, May 29, 2008. Singapore is Mullen's second stop on an eight-day tour visiting Asian-Pacific nations and attending the 2008 Shangri-La Dialogue hosted by the island nation. SHARE IMAGE: Download Image: Full Size (0.05 MB) Photo By: VIRIN: 691649-Q-IBX82-544.jpg Photo Gallery