It shouldn’t be hard for the Discontented Duke to stick to this gagging order. After all, it was freedom of speech Harry was criticising when he made his own “boob” on actor Dax Shepard’s podcast last Thursday. Oh, and one of America’s founding principles. But let’s not get bogged down by any small print dating back to 1791. It was while on a brief break from the public bashing of his own father (and, implicitly, his grandparents) that Harry apparently got confused about the First Amendment that protects basic US freedoms including freedom of religion, freedom of speech, freedo...