A year ago, Secretary of State Hillary Clinton signaled a major transformation in U.S. foreign policy in an article titled “America’s Pacific Century,” which announced the U.S. “pivot” toward Asia, the Pacific, and the strategically...

Over the past six decades, the United States has used its nuclear arsenal in five often inter-related ways. The first was, obviously, battlefield use, with the "battlefield" writ large to include the people of Hiroshima and Nagasaki. The long-held consensus among...