North Korea's nominal No.2 leader and technical head of state Kim Yong-nam (4th R) and the delegation of U.S. businessmen headed by Charles Boyd, president and CEO of the Business Executives for National Security (4th L) pose for photographs at the Mansudae Assembly Hall in Pyongyang, North Korea, in this picture released by North Korea's official news agency KCNA December 16, 2009.