As Wall Street continued its nosedive, and markets around the world shuddered, John McCain's campaign launched an unrelentingly nasty assault on Barack Obama. Sarah Palin accused Obama of "palling around with terrorists." McCain co-chair Frank Keating smeared him as a drug-using "guy of the street." McCain contemptuously called him "that one." Rally speakers repeatedly referred to him as "Barack Hussein Obama." Rabid crowds responded with cries of "kill him!" and "treason." The party of Lincoln has gone from appealing to "the better angels of our nature" to evoking the darkest demons of our nature. Nevertheless, it was Cindy McCain who accused Obama of having "waged the dirtiest campaign in American history" -- a breathtaking display of projection.