> It is hard, perhaps, but a good attack for the NSA would be to run many of the exit nodes.

It definitely doesn't control most of the exit bandwidth, unless the TorServers and blutmagie guys have been conning us for maybe a decade now.

>TOR network

Tor, not TOR.

>This is because it is used by those trying to hide something, something which the NSA may like to know.

This is a rather strong statement about the average Tor user.