The late William F. Buckley, Jr., once famously observed that he would rather be governed by the first 2,000 names in the Boston phone book than by the entire faculty of Harvard. Buckley was prescient and correct about many things, but in this case his wish turned out to be spectacularly wrong: with President Obama’s choice of Elena Kagan for the Supreme Court, Buckley’s nightmare has come true, and the Harvard faculty now really is running the country. Starting with Obama himself, whose transition team alone included 20 Crimson classmates, there are more than 70 graduates of Harvard Law in...