A final Public Policy Polling survey in Michigan conducted over the last two nights shows Rick Santorum just edging Mitt Romney in the GOP presidential primary, 38% to 37%, with Ron Paul at 14% and Newt Gingrich at 9%.
However, the results for the last night show a decided shift in momentum toward Santorum, leading Romney by five points, 39% to 34%, with Paul at 15% and Gingrich at 10%.