Edward Snowden has gone into hiding in Hong Kong after blowing the whistle on a top-secret US spying programme.
Terrorism is invoked to justify many things, but current surveillance dwarfs all past behaviour.
A five-year probe into CIA detention centres on Polish territory has ground to a halt, said to be due to a lack of cooperation from US officials.
Frederick Humphries has lived up to his deadly reputation by setting in motion the investigation that brought down David Petraeus as CIA director.
I have observed several of the agency's clandestine actions around the world over the past 30 years or so, and there is a good deal of truth ...