Conventional wisdom has it that the 2012 presidential election will be all about the dismal economy, unemployment and the soaring deficit. That appears a safe bet because such matters touch the electorate, are much in the news at the moment and have indisputably become worse on Barack Obama's watch. It seems increasingly likely, however, that the American people will have a whole lot more to worry about by next fall. Indeed, the way things are going, by November 2012, we may see the Middle East - and perhaps other parts of the planet - plunged into a cataclysmic war. Consider...