The administration is slowly replacing communists lurking in every shadow with terrorists. And terrorism may become an even better brand than communism for demonizing dissent. In March, six green activists found themselves among the first victims of a new front in the War on Terror, and of an old PR game.
http://www.counterpunch.org/potter05042006.html
You don't have to sympathize with or support the actions of animal rights activists to wonder whether in this and similar cases, "terrorism" isn't just a synonym for damaging profits through free speech.