Much of putatively sane Washington believes that in January 2017, a crazy man landed in town from Manhattan or Neptune or some other strange place to take the reins of government, for some reason having been elected to do so two months earlier by voters who had taken leave of their senses.

Each day, President Trump rants on Twitter and raves on the South Lawn, all while insouciantly lobbing monkey wrenches into the proper workings of government by issuing executive orders, saying nasty things, and wantonly firing people with whom he lacks “rapport.”