"I don't spend a lot of time trying to figure me out," George Bush once said. "I'm just not into psychobabble."

"Justin Frank, a clinical professor of psychiatry at George Washington University, argues that [George Bush's] inclination to see the world in black-and-white, good-versus-evil terms, and his tendency to repeat favourite words and phrases under pressure, are not simply politics as usual, but classic symptoms of untreated alcoholism."