DOES THIS mean that I have to rise to the defense of Arlen Specter? If the enemy of my enemy is my friend, is the target of my enemy my hero? Do I have to rally whole paragraphs around the senior senator from Pennsylvania? Puh-leeze. In the aftermath of the election, the ayatollah wing of the Republican Party has insisted that their opposition to issues like same-sex marriage and abortion put the president back in office. That's their story, and they're sticking to it. Now it's payback time, and the folks who already own the White House and Congress are...