Michigan Poll: Santorum 38, Romney 34, Paul 12, Gingrich 7

The latest Michigan poll of the Republican presidential primary from the American Research Group: 

Rick Santorum continues to lead the Michigan Republican presidential primary. Santorum leads with 38% and is followed by Mitt Romney with 34%, Ron Paul with 12%, and Newt Gingrich with 7%.

Santorum has gained 1 percentage point since a similar survey conducted February 15-16, 2012, Romney has gained 2 percentage points, and Gingrich has lost 3 percentage points since the last survey.

Santorum leads Romney 40% to 36% among self-identified Republicans, followed by Gingrich and Paul with 7% each. Among self-identified independents and Democrats, Santorum leads with 33%, followed by Romney with 31%, Paul with 21%, and Gingrich with 6%.

The Michigan primary is Tuesday, February 28.