If,instead,the South dissects the North's motives, it will in his words "drop a bomb" on inter-Korean relations.

VOA: standard.2009.09.07

(Recording) He says the prospect of a summit depends on progress on the North Korean nuclear issue, as well as the state of inter-Korean relations.

VOA: standard.2009.10.23

Thursday's notice is the latest unraveling of inter-Korean agreements put in place since a historic 2000 summit to ease tensions and encourage exchanges between the two sides.

VOA: standard.2010.05.27

It was the biggest contributor to inter-Korean trade and provided the North with much-needed hard currency.

BBC: South Korea proposes Kaesong talks with North

During previous periods of inter-Korean tension, North Korea has threatened to close the project.

WSJ: Pyongyang Curbs Access to Kaesong Industrial Park

Mr. Obama will also visit the inter-Korean border known as the demilitarized zone, or DMZ, which every president has done since Ronald Reagan.

WSJ: China Seeks Peacemaker Role on North Korea