8/11/15, "Trump leads with primary voters in Michigan," Mitchell Research, East Lansing, Michigan
"Donald Trump is leading his Republican challengers among those who would vote in the Michigan GOP Presidential Primary next year according to a Mitchell Poll of Michigan conducted last night. Trump with 20% leads Carly Fiorina at 15% with Jeb Bush and Ben Carson tied for third place at 12% . Marco Rubio is fourth at 10 % with Ted Cruz and John Kasich both at 8 % tied for fifth.
The automated survey of 432 likely March 2016 Michigan Republican Presidential Primary voters was conducted by Mitchell Research & Communications August 10, 2016, the night before Trump spoke to a capacity crowd in Birch Run, Michigan and has a Margin of Error of + or –5%."...via Free Rep.