Buried deep in the appalling announcement of Cuba's new place on the UN's Human Rights Commission was the name of the country that nominated that outpost of tyranny for the honor: Argentina. It's not the first time the southernmost country in the New World has done the bidding of Cuban dictator Fidel Castro. Last December, a Cuban dissident who sought de-facto asylum in Havana's Argentine embassy was unexpectedly denied an exit visa and forced back into the hands of Castro's waiting agents. Such events underline Argentina's political direction. A few years ago, Argentina was one of the U.S.'s major non-NATO...