A reunification tax proposed Sunday by President Lee Myung-bak would help South Korea's economy recover from the more than $1 trillion cost of merging with economically-stunted North Korea.
South Korea on Tuesday threatened to 'deal sternly' with North Korea after Pyongyang launched an artillery barrage Monday near their disputed maritime border.
South Korea has 4,500 service members from all military branches engaged in five days of antisubmarine drills. North Korea has threatened to retaliate.
China's cooperation with new US sanctions on North Korea is 'critical' to their efficacy, US special adviser for nonproliferation Robert Einhorn said Monday in Seoul.
A North Korea diplomat said there would be a 'a physical response to the threat imposed by the United States militarily.' He spoke as US Secretary of State Hillary Clinton visited the Southeast Asia regional security forum (ASEAN) to build support for new sanctions against North Korea.