Updated CRS Reports on Secrecy
Reports on secrecy-related topics from the Congressional Research Service that are newly updated (but otherwise not new) include these (all pdf).
Criminal Prohibitions on the Publication of Classified Defense Information, September 8, 2011
Protection of Classified Information by Congress: Practices and Proposals, August 31, 2011
The State Secrets Privilege: Preventing the Disclosure of Sensitive National Security Information During Civil Litigation, August 16, 2011
Newly updated CRS reports on other topics include these.
Intelligence Issues for Congress, September 14, 2011
The Palestinians: Background and U.S. Relations, August 30, 2011
U.S. Foreign Aid to the Palestinians, August 29, 2011