Polls: Kasich last in Michigan
© Greg Nash

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 dominates in Michigan, while John Kasich trails the GOP field, according to a pair of polls released ahead of next week's primary.

 
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Kasich, the governor of neighboring Ohio who's trying to lean on support in the Midwest, takes just 8 percent, tying with Ben Carson, who is expected to formally suspend his campaign Friday.
 
The Ohio governor also trails his three top rivals in another Michigan poll from Mitchell/Fox 2, taking 12 percent behind Cruz, at 14 percent; Rubio, at 19 percent; and Trump, at 39 percent.
 
The polls come ahead of Thursday night's GOP debate in Detroit as the candidates look to derail Trump, who has racked up delegates in a series of wins, including on Super Tuesday this week.
 
The Free Press survey of 400 likely GOP primary voters was conducted Saturday through Monday with a margin of error of 4.9 percentage points.
 
The Mitchell survey of 679 likely GOP primary voters was conducted on Tuesday with a margin of error of 3.76 percentage points.