Poll: GOP challenger narrowly leads Heitkamp in North Dakota

Poll: GOP challenger narrowly leads Heitkamp in North Dakota
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The Senate race in North Dakota between Sen. Heidi HeitkampMary (Heidi) Kathryn HeitkampLobbying World Pro-trade group targets Democratic leadership in push for new NAFTA On The Money: Stocks sink on Trump tariff threat | GOP caught off guard by new trade turmoil | Federal deficit grew 38 percent this fiscal year | Banks avoid taking position in Trump, Dem subpoena fight MORE (D) and Rep. Kevin CramerKevin John CramerThe Hill's Morning Report — Trump pushes Mexico for 'significantly more' as tariffs loom The Hill's Morning Report — Trump pushes Mexico for 'significantly more' as tariffs loom Overnight Health Care: Liberals rip Democratic leaders for writing drug pricing bill in secret | Dems demand answers from company that shelters migrant kids | Measles cases top 1,000 MORE (R) is all but a toss-up, a poll released Monday found.

The Mason-Dixon poll showed Cramer with a 4-point lead over Heitkamp, which falls within the survey’s margin of error.

Forty-eight percent of voters said they would support Cramer if the election were held today, while 44 percent said they’d back Heitkamp. Another 8 percent said they are undecided. 

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The poll surveyed 625 adults in North Dakota between June 13-15. Its margin of error is 4 percentage points.

Heitkamp is among the most vulnerable senators up for reelection in November. President TrumpDonald John TrumpTrump says 'Failing New York Times' should be held 'fully accountable' over Russia report Trump says 'Failing New York Times' should be held 'fully accountable' over Russia report Trump tweets ICE will begin removing 'millions' of undocumented migrants MORE won North Dakota in the 2016 presidential election by roughly 36 percentage points over Democratic nominee Hillary ClintonHillary Diane Rodham ClintonBroadway play 'Hillary and Clinton' closing early due to low ticket sales Broadway play 'Hillary and Clinton' closing early due to low ticket sales Facing challenge from Warren, Sanders touts strength against Trump MORE.

The president is scheduled to make a trip to Fargo, N.D., on June 27, ostensibly to rally support for Cramer.

Cramer has recently expressed frustration with Trump's perceived friendly relationship with Heitkamp. 

The president called her onto the stage at a tax event in North Dakota last year, and his staff invited her to a bill signing last month at the White House.