He's tried homey backyard settings, large campus ral lies and teamed up with a crass hip-hop show. Wherever he goes, he floors the rhetorical pedal, as when he likened his slow-motion polices to the time it took to "free the slaves." Barack Obama has gone from a failing president to flailing at ghosts. Even allowing for desperate times, his desperate measures are a national embarrassment. Emancipation? Give us a break. With each passing day, his denunciations of dissent and inflated claims of economic progress turn off the independent voters who will decide the midterm elections. He is ignoring the sensible...