The presidential race exploded last night on Sean Hannity's television show. The explosion came with the revelation by Tucker Carlson's The Daily Caller of a stunning 2007, exclusively obtained unedited video tape of then-Senator Barack Obama making blatantly racial appeals to an audience of black ministers. And doing it in a southern accent that by now all of America knows the man who was famously raised in Hawaii and Indonesia and migrated to California, Massachusetts, and Chicago -- simply doesn't have. The audience at Virginia's historically black Hampton University included Obama's own pastor, the Reverend Jeremiah Wright. Whom Obama glowingly...