Two polls released Sunday showed a tight race between Mitt Romney, the former Massachusetts governor, and Rick Santorum, the former U.S. senator from Pennsylvania. One, from Public Policy Polling, had Romney up 39% to 37% (with 13% for Ron Paul and 9% for Newt Gingrich), continuing a recent trend in polls showing Romney ahead.
But the other, from Mitchell Research/Rosetta Stone and performed for the Michigan Information & Research Service (MIRS), showed Santoum back on top, 37% to 35% for Romney. (It also reversed the order of those trailing, with Gingrich having 9% and Paul having 8%).
Read more at the Detroit Free Press.