In a separate EPIC-MRA survey on the general election, 49 percent support Sen. Debbie Stabenow in a potential matchup with Hoekstra. 35 percent favor the former congressman. Meanwhile, 48 percent support President Obama, while 42 percent support Mitt Romney. The poll, conducted for the Detroit Free Press, WXYZ-TV, WOOD-TV, WILX-TV and WJRT-TV, surveyed 600 active and likely November voters from July 24-31. The margin of error was plus-or-minus 4 percentage points.