U.S. Secretary of State Hillary Rodham Clinton, center, arrives to attend the opening of the ASEAN Regional Forum on Friday July 23, 2010, in Hanoi. The forum is attended by foreign ministers from the Association of Southeast Asian Nations (ASEAN) and their counterparts from partners countries including U.S., China, Russia, Japan and South Korea. (AP Photo/HOANG DINH Nam, Pool)

Photo by: HOANG DINH NAM

U.S. Secretary of State Hillary Rodham Clinton, center, arrives to attend the opening of the ASEAN Regional Forum on Friday July 23, 2010, in Hanoi. The forum is attended by foreign ministers from the Association of Southeast Asian Nations (ASEAN) and their counterparts from partners countries including U.S., China, Russia, Japan and South Korea. (AP Photo/HOANG DINH Nam, Pool)