One of the best-known members of the United Nations Commission which drafted the 1948 "Universal Declaration of Human Rights," Jacques Maritain, famously held that the "natural rights" or "human rights" possessed by every human being are grounded and justified by reference to the natural law.' In many quarters today, the notion of the natural law, and arguments for a set of natural rights grounded in the natural law, have come under fierce attack. One common line of attack is illustrated by the arguments of some utilitarians, for whom "natural law thinking" is mistaken insofar as it implies that there is an absolute moral prohibition against violating any human being's "natural rights." Even if there is such a thing as "natural rights," the...