Ninety percent of black Democrats support Barack Obama. So that might leave an observer wondering: What the hell is up with that other 10 percent? Are they stupid? Do they hate their own race? Do they not understand the historical import of the moment? I can shed some insight on this demographic anomaly. In gatherings of black people, I'm invariably the only one for the Dragon Lady. I'll do my best to explain how those of us in the ever-shrinking minority of a minority came to our position. But, before going any further, let me fully disclose my predispositions. I...