U.S. moves THAAD to South Korean site as North Korea boasts fire power

By Ju-min Park and Jack KimSEOUL (Reuters) - The U.S. military started moving parts of the controversial THAAD anti-missile defense system to a deployment site in South Korea on Wednesday amid high tensions over North Korea's missile and nuclear programs.Washington and Pyongyang have been ratcheting up pressure on each other in recent weeks, with the United States sending a aircraft carrier group and nuclear submarine to the region and North Korea attempting more missile launches in defiance of