The ACLU and others have been trying to redefine the term whistleblower to include Snowden.

[ProSense]

48. No,

"GCHQ is one of the major contractors of the NSA, along with Booz Allen Hamilton, being paid $150 million by the USA for espionage services. So information about the contractor's activities will further enlighten the debate about NSA domestic surveillance, especially since GCHQ is not constitutionally limited from any form of spying on Americans, and has long been suspected as doing this for the NSA, before 'laundering' the results to hide that it comes from spying on Americans, and passing it back to the NSA or other arms of the US government."

...that's about foreign surveillance. That has nothing to do with the FISA debate, and you're making assumptions.

Files released in June 2010

The files contain details of the recently avowed UKUSA Agreement - the top secret, post-war arrangement for sharing intelligence between the United States and the UK. Signed by representatives of the London Signals Intelligence Board and its American counterpart in March 1946, the UKUSA Agreement is without parallel in the Western intelligence world and formed the basis for co-operation between the two countries throughout the Cold War.

http://www.nationalarchives.gov.uk/ukusa/

UKUSA Agreement Release 1940-1956
http://www.nsa.gov/public_info/declass/ukusa.shtml

This is the larger problem with Greenwald's reporting. It's leading to unrelated issues being conflated, and the facts about domestic surveillance are being obscured.