Trump's stumbles with a huge, traditionally-Republican religious group could cause him major problems in 2020

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While Donald Trump has shored up evangelical voters, the president is not doing as well with Mormon voters.

While almost 80 of Mormon voters threw their support behind GOP candidates in 2008 and 2012, only 2016 voted for Trump in 2016.

Mormon support for Trump is closer than most GOP candidates split, with 52 approving of the president and 43 holding an unfavorable opinion.

Daniel Cox is a research fellow for polling and public opinion at the American Enterprise Institute and head of research at College Pulse.

This is an opinion column. The thoughts expressed are those of the author.

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Suzy, a mother of four and resident of Salt Lake City, has always been a Republican. As a student at the University of Utah, she was heavily involved in the College Republicans. After graduation, she volunteered for the late Republican Sen. Bob Bennet and later for Mitt Romney's 2007 presidential campaign. "I love politics and I love the Republican Party," she says.

Yet despite a long and active history in Republican politics, Suzy refused to vote for Donald Trump, the party's 2016 nominee. Her faith is a large reason why. As a member of the Church of Jesus Christ of Latter-Day Saints, Suzy found Trump's personal behavior to be inconsistent with her religious values. It was a deal breaker.See the rest of the story at Business InsiderNOW WATCH: Most maps of Louisiana aren't entirely right. Here's what the state really looks like.See Also:Democrats have an opportunity to reshape the balance of power in Washington if they focus on more than just beating TrumpHillary Clinton keeps blaming Bernie Sanders, but he's not the reason she lost to Trump in 2016The US is entering an era in which impeaching the president will be routineSEE ALSO: Joe Biden has a serious college-voter problem

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