Former first lady of the U.S. Michelle Obama speaks in a frame grab from a video feed of the 2020 Democratic National Convention, being held virtually amid the novel coronavirus pandemic, as participants from across the country are hosted over video with the control center in Milwaukee, Wisconsin, the United States, Aug. 17, 2020. The almost entirely virtual 2020 U.S. Democratic National Convention kicked off on Monday night. During the four-day event, presumptive Democratic presidential nominee Joe Biden will accept the nomination and California Senator Kamala Harris will be nominated for his running mate. (2020 Democratic National Convention/POOL via Xinhua)

Former Democratic presidential candidate, U.S. Senator Amy Klobuchar speaks in a frame grab from a video feed of the 2020 Democratic National Convention, being held virtually amid the novel coronavirus pandemic, as participants from across the country are hosted over video with the control center in Milwaukee, Wisconsin, the United States, Aug. 17, 2020. The almost entirely virtual 2020 U.S. Democratic National Convention kicked off on Monday night. During the four-day event, presumptive Democratic presidential nominee Joe Biden will accept the nomination and California Senator Kamala Harris will be nominated for his running mate. (2020 Democratic National Convention/POOL via Xinhua)

Photo taken on Aug. 17, 2020 shows the control room of the virtual Democratic National Convention in Milwaukee, Wisconsin, the United States. The almost entirely virtual 2020 U.S. Democratic National Convention kicked off on Monday night. During the four-day event, presumptive Democratic presidential nominee Joe Biden will accept the nomination and California Senator Kamala Harris will be nominated for his running mate. (2020 Democratic National Convention/POOL via Xinhua)

New York State Governor Andrew Cuomo speaks in a frame grab from a video feed of the 2020 Democratic National Convention, being held virtually amid the novel coronavirus pandemic, as participants from across the country are hosted over video with the control center in Milwaukee, Wisconsin, the United States, Aug. 17, 2020. The almost entirely virtual 2020 U.S. Democratic National Convention kicked off on Monday night. During the four-day event, presumptive Democratic presidential nominee Joe Biden will accept the nomination and California Senator Kamala Harris will be nominated for his running mate. (2020 Democratic National Convention/POOL via Xinhua)

Former Democratic presidential candidate, U.S. Senator Bernie Sanders speaks in a frame grab from a video feed of the 2020 Democratic National Convention, being held virtually amid the novel coronavirus pandemic, as participants from across the country are hosted over video with the control center in Milwaukee, Wisconsin, the United States, Aug. 17, 2020. The almost entirely virtual 2020 U.S. Democratic National Convention kicked off on Monday night. During the four-day event, presumptive Democratic presidential nominee Joe Biden will accept the nomination and California Senator Kamala Harris will be nominated for his running mate. (2020 Democratic National Convention/POOL via Xinhua)