Taking on Andrew Sullivan’s oft-repeated point that Sarah Palin was unqualified to be vice-president (or president): “ John McCain is unqualified to be Commander-in-Chief. McCain is a guy of rather mediocre intellect, little curiosity, and very poor and impulsive decision-making skills. He’s vain and headstrong, and he easily turns opposition over matters of policy or politics into personal vendettas. He became a political commodity in 1973 because he embodied the right-wing working-class val