The current troubles of the Obama presidency can be read back into its beginnings. Rule by personal charisma has met its proper fate. The spell has been broken, and the magician stands exposed. We need no pollsters to tell us of the loss of faith in Mr. Obama's policies—and, more significantly, in the man himself. If Barack Obama seems like a man alone, with nervous Democrats up for re-election next year running for cover, and away from him, this was the world he made. No advisers of stature can question his policies; the price of access in the Obama court...