Polls: Kasich last in Michigan
© Greg Nash

Donald TrumpDonald TrumpMuhammad Ali Jr. detained by immigration at Florida airport Two progressive activists were behind Trump Russian flag prank at CPAC Tom Perez embodies the Democratic Party. This is why he should lead it. 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.