By the late 1990s, the term WMD was an integral part of American national security discourse, as evident by its growing usage. A full text search of the New York Times identified the number of stories every year from 1945 to 2010 using the term WMD or a variant. Other than 1973, the term appeared in at least one article every year during that 65-year period. During the late 1940s and early 1950s, it appeared in stories about 30 times every year, declining...