What’s happening now bears no relationship to any version of America that existed before this point in time. Those of you who are reading this post are the type of people who pay attention to things. That’s why you already know that 26,000 National Guard troops drawn from all over America and from Puerto Rico, have assembled in Washington, D.C., in advance of Joe Biden’s inauguration on Wednesday. (That’s about three divisions worth of troops.) But have you given serious thought to what the troops’ presence means? I’ve heard from some optimistic people who believe that the troops are the...