Protesters shout slogans during a rally against South Korea and U.S. joint military exercise Ulchi Freedom Guardian, in front of the Yongsan U.S. Army headquarters in Seoul, South Korea, Monday, Aug. 20, 2012. U.S. and South Korean forces launched annual joint military exercises Monday, mostly computer-simulated drills that North Korea has labeled a rehearsal for invasion and demanded they be canceled. (AP Photo/Ahn Young-joon)
