(FOR TUES M.E.) It's primary election day in Minnesota. The biggest prize at stake today is the DFL nomination for Governor, a five-way race that still seems very much up-for-grabs. But there are other races on the party ballots, some of them just as hard to call as the DFL gubernatorial nomination. Minnesota Public Radio's Martin Kaste reports: A strategist on one of the leading gubernatorial campaigns recently complained that he's had a tough time getting the public to pay attention to his candidate. He says people seem too distracted by the Clinton scandal, the Northwest airlines strike and baseball's homerun record to pay attention to politics. But if a big-name candidate for gove