On Monday morning we awoke to those images of Donald Trump returning by helicopter to the White House after a weekend stay in hospital with Covid. The commander-in-chief who turns to the camera and drops the mask.The White House physician giving the president a clean bill of health on Thursday. Sean Conley, who is an osteopath not a general practitioner, giving the president the green light to resume public engagements on Saturday. But the Democratic Speaker of the House wants to know When was his last negative test.