IN THE NEWS
Global Guerrillas has a nice example of how revolutionary groups--guerrillas and terrorists alike--are making clever use of the Internet. The funny thing is, it's not hard to follow what these groups are discussing among themselves. Certainly, you won't see any operational details. You will, however, learn a fair amount about their doctrine, objectives, and organization.
The author, John Robb, sometimes gets a little overheated in his use of software metaphors applied to revolutionary warfare. For example, I think his "open source model of insurgency" is a bit strained, but his discussion of it does describe some key details about how insurgents innovate and adapt.