A new SurveyUSA/FairVote ranked choice poll of 2,050 likely voters in six swing states finds that Kamala Harris is the strong favorite among Democrats and independent respondents to replace Joe Biden should he withdraw from the race.
Among all likely voters, Biden performs the strongest against Donald Trump of all potential nominees (44% to 44%).
Harris performs the best of all non-Biden options (Trump 46%-Harris 42%).