RT [@Laurie_Garrett](https://twitter.com/Laurie_Garrett/status/1312873333919285249) What the heck? @POTUS #Trump left Walter Reed in a tightly-packed SUV, waved at crowds, and then apparently returned to the hospital. Other than exposing his Secret Service detail to #COVID19 viruses, what purpose did this serve? https://t.co/Y7Ir9OG7dB