Linking exercise:

After half a centruy of scholarly work, new documents about the lives of Julius and Ethel Rosenberg have been made public.

"Certainly, after 50 years, the unique historical value of these records outweighs any secrecy rationale," said Thomas S. Blanton, the director of the National Security Archive, which filed the petition, with support from more than a dozen scholars. The archive, based at George Washington University, is a nonprofit group that uses the Freedom of Information Act to challenge government secrecy.

Among the historians were John Lewis Gaddis, the Robert A. Lovett professor of military and naval history at Yale, and Ronald Radosh, adjunct senior fellow at the Hudson Institute in Washington and past president of the Historians of American Communism.