Still harping ...

"... Any discussion of a U.S. attack on Iran is sure to elicit opposition in the United States. But the White House would be wrong to heed the arguments of those who would voice moral objections to such an attack. If the rules that govern the international system, including the nuclear nonproliferation regime, are to have any meaning, they must be enforced. Some people are comfortable with military intervention for humanitarian reasons but place nuclear proliferation in a different category. Yet the spread of nuclear weapons poses a grave threat to international peace and security. If the United States believes that it is imperative to prevent nuclear war and stop additional countries from acquiring the world’s deadliest weapons, then it must be willing, in principle, to use force to achieve that objective..."