Harris beats Trump in debate, poll The majority of U.S. registered voters who watched the televised debate between Kamala Harris and Donald Trump believe that Harris won, according to a CNN flash poll POST-SEP 10 TV DEBATE: Who performed better? (%) KAMALA HARRIS 63 37 DONALD TRUMP PRE-SEP 10 TV DEBATE: Who will perform better? (%) KAMALA HARRIS 50 50 DONALD TRUMP POST-JUN 27 TV DEBATE: Who performed better? (%) JOE BIDEN 33 67 DONALD TRUMP Harris-Trump poll: Conducted by SSRS Opinion Panel on behalf of CNN via text messages with 605 registered U.S. voters who watched debate. Margin of error ± 5.3 percentage points Biden-Trump poll: Conducted by SSRS Opinion Panel on behalf of CNN via text messages with 565 registered U.S. voters who watched debate. Margin of error ± 5.5 percentage points Source: CNN Illustrations source: Getty Images © GRAPHIC NEWS