Politics: North Korea from Reagan to Clinton.

The National Security Archive has posted on its website a collection of recently declassified documents that shed new light on the ups and downs of U.S. efforts to deal with the security threat posed byNorth Korea's nuclear program.

Compiled by Dr. Robert A. Wampler, director ofthe Archive's Korea Project, these documents, dating from the first Bush and Clinton administrations, underscore the cycles of optimism and pessimism thathave marked U.S.-North Korean relations since the end of the first Bush administration.

They trace the trajectory of relations between 1992 and 2000.