Isaac Asimov published the novella “The Mule” in  Astounding Science Fiction  magazine in 1945. A few years later it became the second half of  Foundation and Empire,  the second book of the Foundation trilogy. Asimov’s Foundation books are among the most celebrated works in science fiction, crowned with a special Hugo Award for Best All-Time Series. There’s a lesson we should have learned from  Foundation . Maybe we would have been better prepared for our current crisis. Foundation  is a grand epic set 50,000 years in the future, studying the decline and fall of the Galactic Empire. When…