A poll by ABC News, The Washington Post and Ipsos found that U.S. Vice President Kamala Harris has a 49 percent approval rating among registered voters, compared with 45 percent for Donald Trump. The poll was conducted online Aug. 9-13 among 2,336 American adults, including 1,901 registered voters. The margin of error was plus or minus 2 percentage points for American adults and 2.5 percentage points for registered voters.