I have a friend who, as a young child, happened to meet Herbert Marcuse, by that time a rock-star intellectual and darling of the American student movement. Upon seeing the man, he exclaimed “Marcuse! Marcuse! You have such a beautiful head!

The vast majority of historians write history. Perhaps that’s good, as one should stick to what one knows. But there are historians who braves the waters of social and political criticism. One thinks of Arthur Schelsinger Jr., Richard Hofstadter,