Mary Burke, Wisconsin’s Democratic candidate for governor, received good news last week. According to statewide polling data of 800 registered voters taken over four days this month, Burke and incumbent Gov. Scott Walker are tied with an expected 46 percent of the vote. “Help us turn this into a win,” Burke’s official Twitter feed, @Burke4WI, posted. The source of the news? Marquette University Law School. The poll is the result of recognition by members of the law school who saw an …