as research continues at the National Archives.
Do you mean to imply that there are germane archives which were recently declassified on a 50 year schedule?In Blacklisted by History, M. Stanton Evans asserts that persons unknown have laundered much of the historical record which, Evans presumes, would have embarrassed McCarthy's enemies if it were available. Including the record of what the Wheeling, WV newspaper said the following day about McCarthy's famous speech there. Library picked clean.
Yep. The Senate has a fifty year rule. Unfortunately, the official Senate historian took it upon himself to "summarize" McCarthy's era as it had already been written, despite the fact that many of the documents newly available in 2004 supported McCarthy.
There are also FBI FOIA documents shaking loose even at this late date.