NSA: We Didn't Spy On Amanpour
"Intelligence officials rarely comment on who they may or may not have collected information about, but because of all the speculation on Internet blogs, the senior official agreed to look into the matter for CNN. Another official privately said he was 'puzzled' by NBC's decision to publish the raw transcript of the interview."

Amanpour Unaware Of Eavesdropping 
Was Christiane Amanpour eavesdropped upon? Why did NBC edit its transcript?...

Duke Cunningham Wore A Wire
Sources tell TIME that ex-Rep. Cunningham wore a wire to help investigators gather evidence against others just before copping his own plea.

Cunningham wore a wire. Whom did he implicate?
He's pled out, yet before doing so it looks like he took some people down with him.