Suppose you were a committed leftist revolutionary who somehow got elected president of center-right America. Suppose you were great at making speeches, but little else. You masked your socialist agenda in the appealing rhetoric of fairness and justice, but secretly loathed the American system of constitutional government and free-market capitalism. Suppose you also had developed into a pathological narcissist with an absurdly grandiose view of yourself and almost no tolerance for criticism and disagreement. Suppose your ego was so fragile, your worldview so distorted, your mind so angry beneath your charismatic exterior, and your self-image of being a divinely gifted...