The United States is based upon "murder, exploitation and … genocide." It supports "exploitation" and "slaughter." It engages in "oppression in its sickest forms." It is "the most extreme terrorist organization in planetary history." It is, in short, an imperialistic "disease." Those are the words not of some foreign terrorist group, but of 29-year-old Craig Rosebraugh in congressional testimony Feb. 12. Rosebraugh is the former spokesman for the Earth Liberation Front (ELF), a radical environmentalist group. According to the FBI, the ELF engages in terrorism (see "FBI Targets Domestic Terrorists"). Since the nation's attention became focused on international terrorism,...