The Tor Project responds: https://blog.torproject.org/blog/tor-nsa-gchq-and-quick-ant-speculation You might reply 'well, they would say that, wouldn't they', but I think the Tor community has long assumed that the authorities have something like what Andrew Lewman describes and would be shocked if they didn't. Also, this guarantees nothing, but Edward Snowden, who presumably knows exactly what that QUICK ANT tab does, still has enough confidence in Tor to have the logo stuck on his laptop lid. Rich Jones:

Screenshots from FLYINGPIG interface show a tab for "Tor events QFD"

http://www.scribd.com/doc/166821334/FlyingPig

Any more details out there?

Bruce: https://www.schneier.com/blog/archives/2013/09/new_nsa_leak_sh.html

R