Only Boss Trump could turn even the COVID-19 plague into a farce. His triumphal return to the White House from Walter Reed National Military Medical Center — nicely timed for the evening TV news cycle — was like a stunt his pal Kim Jong Un would pull in Pyongyang: pure strongman street theater.
The big man stood glassy-eyed but indomitable on a balcony: corset, shoulder pads, elevator shoes and a h…