The following guest post is by Daniel Oppenheimer, author of Exit Right: The People Who Left the Left and Reshaped the American Century. In June of 1970, after two years of existential crisis, Commentary magazine editor Norman Podhoretz broke a long authorial silence with a piece, in the magazine, on the newly invented holiday of Earth Day. “Reflections on Earth Day” was the debut of a new front-of-the-book column in which Podhoretz would opine on the great issues of the day. It was the debut, as well, of a new, crustier Podhoretz. This Podhoretz, who would go on to become Read more