Two possibilities arise from the guilty plea of former Trump National Security Adviser Michael Flynn. Flynn’s plea marks the beginning of the end of the Trump administration. Flynn’s plea marks the end of the desperate hope that America will be delivered from the Trump presidency by impeachment and removal from office on the grounds that his campaign colluded with Russia to win him the 2016 election. There are other ancillary events one can easily imagine. For example, Trump could fire independent counsel Robert Mueller and/or pardon Flynn and others. But those moves would eventually make the end of his administration...