Barack Obama should review the basics of American history and the fundamentals of diplomacy. In comparing various enemies, one is by needs more willing to talk to hostile nuclear super-powers (as Nixon, and Reagan did with China and the Soviet Union) that have the ability to destroy us than to talk to a hostile power like Iran. In the former case, we have few options, in the latter plenty. For the analogy to be valid, did Nixon and Reagan have summits with Castro as they did with Mao or Gorbachev—and if not, why not? And is not Obama's speak-anytime-anywhere-to-anyone -policy...