North Korea tensions: South urges US to delay military drills ahead of Olympics

North Korea tensions: South urges US to delay military drills ahead of Olympics  NBCNews.com Winter War Preparation: US and South Korean Soldiers Train at Subfreezing Temperatures  Newsweek US Marines' bizarre topless drills in -20C and snow to prepare for North Korean attack during Winter Olympics  Mirror.co.uk The last time South Korea hosted the Olympics, the CIA set off alarms about North Korea  Los Angeles TimesFull coverage