A Justice Department white paper laying out the circumstances in which the President can kill Americans talks not only about Al Qaeda but also about "associated forces," not clearly defined. Michael Crowley, of Time, pointed out that Jeh Johnson, the former Pentagon general counsel, has said that "Our enemy does not include anyone solely in the category of activist, journalist, or propagandist," and I don't mean to say that the current Administration has adopted the logic that it does, though that "solely" can do a lot of work. The vagueness could easily increase with the passage of time, as targeted killings shift from a policy to a precedent...
