...international law—to
self defense. This is not news, or controversial. See, e.g., U.N. Resolution 1373 (Sept. 28, 2001). There is no such
self-
defense rationale available as a matter of the jus ad bellum with respect to all international terrorist groups.) But what about Brennan’s references, early in his speech, to al-Qaida “adherents” and “affiliates”? Although Brennan explains that “adherents” of al-Qaida–including “individuals . . . with little or no contact with the group it
self”–have become a serious national security challenge because they can and do conduct attacks in the United...