So many on the Right acknowledged and embraced the historic-milestone aspect of the election of Barack Obama as president. I think that was an admirable instinct. But on the Left, there seems to be an opposite instinct: They fan flames. Yes, there is a problem, which will never get better if politicians keep exploiting it as a political bludgeon with which to discredit all opponents in promoting policies that do harm to the people they claim to be speaking on behalf of.