Poll: Clinton, Trump on top before Missouri primary
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Democrat Hillary ClintonHillary Rodham ClintonClinton: ‘I don’t die’ despite the right’s ‘best efforts’ Clinton: Comey firing is ‘an effort to derail and bury’ Russia probe RNC slams Clinton speech as example of 'why she lost' MORE and Republican Donald TrumpDonald TrumpRussian bank owners sue BuzzFeed over publishing dossier Why global health investments are key ‘Making America Great’ Major golf tournament opens at Trump National Golf Club in Va. MORE lead their respective presidential rivals in Missouri three days before voters cast ballots there, according to a new poll.

Clinton leads Bernie SandersBernie SandersThe Hill's 12:30 Report Five takeaways from the Montana special election Hillary Clinton targets troubled Trump, divided GOP with new PAC MORE, 47 percent to his 40 percent, according to a survey by the Docking Institute of Public Affairs Poll at Fort Hays State University in Kansas, first reported by the The St. Louis Post-Dispatch.

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Another 13 percent of Missouri’s Democrats remain undecided between Sanders and the Democratic presidential front-runner, it found.

Trump, meanwhile, leads the Republican field by 7 points in the Show Me State, according to Friday’s poll.

He takes 36 percent, followed by Ted CruzTed CruzFEC faults Cruz on Goldman Sachs loans in rare unanimous vote CBO score underlines GOP tensions on ObamaCare repeal Republicans go to battle over pre-existing conditions MORE, at 29 percent, Marco RubioMarco RubioSenate panel could pass new Russia sanctions this summer McConnell on Trump: 'We could do with a little less drama' Taking the easy layup: Why brain cancer patients depend on it MORE, at 9 percent, and John Kasich at 8 percent. Another 17 percent remain undecided ahead of Tuesday's vote.

The Docking Institute conducted its latest sampling of 483 Missourians March 3–10. It has a 7 percentage point margin of error for Republicans and an 8-point margin of error for Democrats.

Friday’s results show both contests are up for grabs, as both show candidates within the margins of error.

Missouri awards 52 GOP delegates proportionally unless a candidate gets more than 50 percent of votes statewide. Should that happen, it is winner-take-all.

Democrats, meanwhile, pick 71 out of 84 Missouri delegates on March 15. The remaining 13 are superdelegates, most of whom are backing Clinton.

Missouri is one of five states voting that day, with Florida, Illinois, North Carolina and Ohio also casting ballots.

Trump leads the Republican field by more than 14 points nationwide, according to the latest RealClearPolitics average of polls. Clinton, meanwhile, holds a roughly 11-point edge over Sanders in the Democratic nomination contest.