2-way:43% Clinton (D)
39% Trump (R)
52% Sanders (D)
33% Trump (R)
3-way:37% Clinton (D)
33% Trump (R)
12% Johnson (L)
...
Favourable Ratings:50-40 Obama
43-41 Sanders
33-49 Snyder
31-57 Clinton
27-60 Trump
...
The Glengariff Group, Inc. conducted a 600-sample, live operator telephone survey of likely November 2016 Michigan general election voters. The survey was conducted from May 24-26, 2016 and has margin of error of +/-4.0% with a 95% level of confidence. 67% of respondents were interviewed by landline telephone. 33% of respondents were interviewed by cell phone telephone. This survey was conducted on behalf of the Detroit News and WDIV Local 4.
http://media.clickondetroit.com/document_dev/2016/05/31/May%202016%20Statewide%20Survey_1464708076371_6539948_ver1.0.pdf