‘Disgusted’: Doctor fires back after Trump calls Covid-19 unit in parking garage fake

As the coronavirus pandemic grows more dire across the US, Dr. Jacob Keeperman treats patients in a Covid-19 unit run out of a parking garage in Nevada. After Keeperman tweeted a photo of the unit, President Donald Trump called it "fake" and echoed his false claims about the Nevada election results. Keeperman responds to Trump in an interview with CNN's Erin Burnett.