The "former analyst" in question is Russell Tice, who was terminated by the NSA in 2005 after "publicly urging Congress to pass stronger protections for federal intelligence agency whistleblowers facing retaliation" [1]. There's an interesting exchange from then-director of NSA special access programs Renee Seymour to Tice warning him against testifying on the NSA programs [2] about a half year later.
So if neither intelligence committee (HPSCI, SSCI) has the clearances, who does? How many Congressmen have clearance to be even briefed on programs classified for _both_ military and intelligence 'purposes'?
It surprises me they'd so blatantly seek specific, arbitrary classifications to prevent _the legislators_ from learning the truth.
[1]: http://en.wikipedia.org/wiki/Russ_Tice#Whistleblower [2]: http://www.fas.org/irp/news/2006/04/nsa010906.pdf