The 21st president of the United States, Chester A. Arthur, was largely a forgettable head of state, aside from his gigantic muttonchops. By contrast, his grandson is a completely different story. And that story includes a sex cult, a revolution and a bunch of hippies. Read Next : How Legendary Gen. John Pershing Fought a Racist Law ... and Won Born in 1901 and financially buoyed by a family fortune, Chester Alan "Gavin" Arthur III ping-ponged across the globe for much of his adulthood. His