Here's a plug for several of my students, who, under the direction of my colleague David Vladeck and Georgetown's Institute for Public Representation, successfully opened the grand jury transcripts in the trial of Julius and Ethel Rosenberg, in a suit brought on behalf of the National Security Archive and others. The story is here.
Update: Professor Valdeck tells me that the federal judge hearing the dispute has yet to rule on the testimony of David Greenglass, who is alive and opposes its release. Vladeck expects the rest of the testimony will be released soon, save for that of several other living witnesses, whose testimony will be released after their deaths.