Former U.S. President Barack Obama is displayed on a monitor at a television studio while speaking virtually during the Democratic National Convention in New York, U.S., on Wednesday, Aug. 19, 2020. Senator Kamala Harris's prime-time speech tonight is the first glimpse of how Joe Biden's campaign plans to deploy a history-making vice presidential nominee for a campaign that has largely been grounded by the coronavirus. Photographer: Jeenah Moon/Bloomberg via Getty Images