Republican Gov. Paul LePage has opened a lead over Democratic U.S. Rep. Mike Michaud in the closing weeks of the gubernatorial campaign, according to a Maine Sunday Telegram/Portland Press Herald poll. The findings mark a significant shift from previous polls showing both candidates running in a virtual dead heat. LePage leads Michaud 45 percent to 35 percent, with independent Eliot Cutler at 16 percent and 4 percent undecided, according to the poll of 639 likely voters conducted by the University of New Hampshire Survey Center.