Subsequent testing has shown that not to be the case, at least in the opinion of many physicists — many highly respected physicists — and so the supporters of the RRW have moved onto other rationales for why we would need these including margin, which is your, I guess, confidence, that a nuclear weapon will explode as it is intended to; it will deliver exactly, say ten kilotons of destructive force or one megaton or whatever the desired explosive force is. (scientificamerican.com)
But his friends offered other rationales, ranging from his resentment of Mr. Cuomo's attacks on him during his 1992 campaign to his interest in creating a Republican power base for the 1996 Presidential race. (nytimes.com)
In an effort to keep the modernization program alive, the Nuclear National Security Administration (NNSA)-- a a semiautonomous agency of the DOE in charge of the nation's nuclear weapons — has offered a variety of other rationales, ranging from national security to creating a more environmentally benign weapon. (scientificamerican.com)