Clear your calendar. Read this book. This is not a drill. With absolute knowledge of a population's identity comes absolute command of its destiny.   Centralised, government issued Digital ID. It's trendy, and promises easy access to welfare and medical history. Hey, it might even catch some fraud. Government "experts" tell us it's secure, but wait! This all sounds familiar.   In 1930's Germany, Hitler built a huge centralised identity registry and a police state to enforce it. First sold as a trap for criminals, it was later used to selectively ...