The neoconservatives arguably have damaged American national interests more than any group in modern history. They have done more harm than the marginal Communists pursued by Sen. Joe McCarthy in the 1950s, more than the Yippies of the 1960s, more than Richard Nixon’s Watergate burglars in the 1970s or the Iran-Contra conspirators in the 1980s. The neocons have plunged the …