On the eve of the French Revolution, the aristocrats inhabiting the palace of Versailles enjoyed, “as an ironic lark, sporting the clothing of the working classes,” according to writer Charles Stenson. These pampered elites were undisturbed by the fact that their peasant getups mocked the real peasants, many of whom were dying as a result of the elites’ self-serving policies. These clueless aristocrats have descendents in spoiled college kids who think it’s trendy to idolize Communist revolutionary Ernesto “Che” Guevara. Che’s face is emblazoned on T-shirts, he was glamorized by the movie “The Motorcycle Diaries,” and Time magazine described him...