According to this article, the Korea Free Trade agreement, that would have allowed US companies to use "quasi-slaves" North Korean workforce, has been aborted.
Because of workers' rights issues? Not really.
The pharmaceutical industry found that their products were not covered by the Korean Health Insurance.
http://www.voanews.com/english/2006-07-14-voa15.cfm
The controversy involved a pending new South Korean policy to reimburse South Koreans when they buy government-approved medicines from a so-called "positive list." Chief U.S. negotiator Wendy Cutler complains that many U.S. pharmaceutical products are not on the list. "The proposed positive list system would end up discriminating against innovative drugs," said Cutler.
Nice to confirm that corporate America can accomplish what workers cant. (and for once, it will help us).
No doubt this is not finished, unfortunately.
ON EDIT: Nice to see that South Korea has a national health insurance program.