The State Board of Education has given final approval to the most contentious piece of Minnesota's new high school graduation standards. "Profile of Learning" is a blueprint all students must follow to graduate from high school, beginning with the class of 2002. The new results-oriented standards mean significant changes in public schools statewide. Minnesota Public Radio's Tim Pugmire reports... State education officials have been working on the new graduation standards for years, but the past six months have been the toughest, as legislators tried to delay or scrap the changes. The Profile of Learning w