Trump, Clinton lead in Michigan
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Donald TrumpDonald John TrumpBusiness school deans call for lifting country-specific visa caps Bolton told ex-Trump aide to call White House lawyers about Ukraine pressure campaign: report Federal prosecutors in New York examining Giuliani business dealings with Ukraine: report MORE and Hillary ClintonHillary Diane Rodham ClintonSaagar Enjeti: Tuesday's Democratic debate already 'rigged' against Gabbard, Sanders Ilhan Omar raises .1 million in third quarter Bloomberg rethinking running for president: report MORE lead their respective party's presidential contests in Michigan by 13 points each ahead of Tuesday’s primary, according to a new poll.

A Monmouth University survey of Michigan released Monday found Trump taking 36 percent support in the Republican race.

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Ted CruzRafael (Ted) Edward CruzThe Hill's Morning Report - Lawmakers return to work as Dem candidates set to debate Cruz: 'Of course' it's not appropriate to ask China to investigate Bidens Sunday Show Preview: Trump's allies and administration defend decision on Syria MORE came in second place, with 23 percent support, followed closely by John Kasich, at 21 percent. Marco RubioMarco Antonio Rubio10 top Republicans who continue to deny the undeniable George Conway hits Republicans for not saying Trump's name while criticizing policy Furious Republicans prepare to rebuke Trump on Syria MORE came in last place, with 13 percent support. Michigan has a 15 percent threshold to qualify for delegates.

However, the Monmouth survey, which was conducted March 3–6, found Trump with a wider lead in the first two days of polling. The race tightened in the final two days, Monmouth said.

On Thursday and Friday, Trump had 39 percent support, followed by Cruz, at 22 percent, and Kasich, at 17 percent. On Saturday and Sunday, Trump was down to 32 percent, while Kasich came in at 26 percent and Cruz at 25 percent.

“After this past weekend’s mixed bag of results, Trump appears positioned for a win in Michigan, but the race may be tightening in the final hours,” said Monmouth pollster Patrick Murray. “Trump’s support may be dropping, while Kasich’s star could be rising.”

Kasich has been campaigning heavily in Michigan, which borders his home state of Ohio. He has picked up some high-profile endorsements in the state from Lt. Gov. Brian Calley, Rep. Mike Bishop and the editorial boards from some of the state’s largest newspapers.

On the Democratic side, Clinton takes 55 percent support over Sanders, at 42 percent.

Clinton is once again boosted by her support from minority voters. She leads Sanders, 68 to 27, among non-white voters, while the two are tied among white voters.

“Clinton had Michigan all to herself eight years ago after her opponents pulled out when the state violated party rules in scheduling its primary too early,” said Murray. “This time she appears to be holding on in the face of a tough challenge from Sanders.”

The Monmouth survey was conducted in full before the Democrats faced off at a debate in Flint, Mich., on Sunday night.

Michigan voters were split on which candidate would do a better job addressing the water crisis in that city, with 18 percent saying Clinton and 17 percent saying Sanders.

The Monmouth University survey of 402 likely Republican primary voters has a 4.9 percentage point margin of error. 

The survey of 302 likely Democratic voters has a 5.6 percentage point margin of error.