Clinton up by 8 points in national poll
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Democratic presidential nominee Hillary ClintonHillary Diane Rodham ClintonEx-Clinton aide: Hillary will run again in 2020 Ex-Facebook exec ousted from company sparked controversy with pro-Trump views: report Pelosi says she'll be Speaker ‘to protect the Affordable Care Act’ MORE leads Republican rival Donald TrumpDonald John TrumpMichael Cohen: I pray Michelle Obama's words will unite country again Michelle Obama: ‘I stopped even trying to smile’ during Trump’s inauguration Trump wants to end federal relief money for Puerto Rico: report MORE by 8 points nationally in a poll released early Sunday.

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Clinton has 50 percent support among registered voters in the Washington Post-ABC News poll, compared with 42 percent for Trump.

In July, Clinton led Trump by 4 points, 47 percent to 43 percent.

Clinton maintains her 8-point lead in the new poll when third-party candidates are factored in. In that scenario, Clinton has 45 percent support, Trump has 37 percent, Libertarian Party nominee Gary JohnsonGary Earl JohnsonEx-Facebook exec ousted from company sparked controversy with pro-Trump views: report Heinrich wins reelection to Senate in New Mexico Third-party voters made it difficult to predict 2016, says pollster MORE has 8 percent and Green Party nominee Jill Stein has 4 percent.

In last month’s poll, Clinton had a 4-point lead in a four-way race.

Pollsters also found that 74 percent of registered voters disapprove of Trump’s dispute with Khizr and Ghazala Khan, the parents of an Army captain who was killed in combat in Iraq.

Sixty percent of respondents said Trump is not honest and trustworthy, and 36 percent said he is.

Sixty percent also said Clinton is not honest and trustworthy, compared with 38 percent who said she is.

Clinton also holds a 19-point lead over Trump among college-educated white women, 57 to 38 percent. The candidates split that key demographic last month.

The poll of 814 registered voters, conducted Aug. 1-4, has a margin of error of 4 percentage points.

Clinton leads Trump by 7 points the RealClearPolitics average of national polls, 47.3 percent to 40.4 percent.

Updated at 8:44 a.m.