When the House of Representatives takes up arms against $4 gas by voting 324-84 to sue OPEC, you know that election-year discourse has gone surreal. Another unmistakable sign is when a presidential candidate makes a gaffe, then, realizing it is too egregious to take back without suffering humiliation, decides to make it a centerpiece of his foreign policy. Before the Democratic debate of July 23, Barack Obama had never expounded upon the wisdom of meeting, without precondition, with Mahmoud Ahmadinejad, Bashar al-Assad, Hugo Chavez, Kim Jong Il or the Castro brothers. But in that debate, he was asked about doing...