Trump beats Clinton by 3 points in new poll
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Donald TrumpDonald TrumpTrump: I was 'psyched to terminate' NAFTA Trump: 'Major, major' conflict with North Korea possible Cohn: People 'wasting time' calling for Trump's tax returns MORE edges out Hillary ClintonHillary Rodham ClintonTrump on presidency: 'I thought it would be easier' Trump threatens to scrap 'horrible' South Korea trade deal New science-fiction book set in future where Clinton won MORE by 3 percentage points in a hypothetical general election match-up, according to a new Fox News poll.

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Trump has 45 percent support, while Clinton, Democratic front-runner for president, trails with 42, putting her just within the poll's margin of error.

Clinton rival Bernie SandersBernie SandersOvernight Energy: Trump set to sign offshore drilling order Meghan McCain: Obama 'a dirty capitalist like the rest of us' Dems might begin again with Kamala Harris and California MORE, meanwhile, leads Trump 46 to 42, according to the same poll. 

The presumptive GOP nominee is buoyed by his support among whites, leading Clinton 55 to 31 percent. That margin grows among whites without a college degree, 61 percent of whom favor Trump, while just 24 percent back Clinton.

But the real estate mogul still struggles with women voters, half of whom back Clinton, and just 36 percent support Trump.

The former secretary of State also holds commanding leads Trump among blacks, 90 to 7 percent, and Hispanics, 62 to 23 percent.

The poll surveyed 1,021 registered voters from May 14 to 17. It has a margin of error of 3 points.