The debate last night will have no real impact on the election. Paid media is driving Obama’s movement in Pennsylvania. But what was happening in the debate is that Obama’s essential decency and moderation — and his fear of appearing strident — leads him to pull his punches and come on far too weak to defeat anybody in November. He has got to develop more strength and take the shots that are open to him. He let chance after chance go by during the debate. He just has no instinct for the jugular.