"Since its publication nearly 70 years ago, George Orwell's 1984 has been regarded as one of the most influential novels of the modern age. Politicians have testified to its influence on their intellectual identities, rock musicians have made records about it, TV viewers watch a reality show named for it, and a White House spokesperson tells of "alternative facts." The world we live in is often described as an Orwellian one, awash in inescapable surveillance...