A mock North Korea’s Scud-B missile, center, and other South Korean missiles are displayed at the Korea War Memorial Museum in Seoul, South Korea, Tuesday, March 27, 2012. The leaders of South Korea, the United States and China issued stark warnings Tuesday about the threat of nuclear terrorism during the final day of a nuclear summit that has so far been upstaged by North Korea’s long-range rocket launch plans.(AP Photo/Ahn Young-joon)
