Public school teachers required to take oppressor ‘vow’ in Tim Walz Minnesota, says lawmaker Minnesota state Sen. Mark Koran, a Republican, is speaking out against a teacher requirement that he says amounts to forcing educators to take an oppressor "vow." NEW You can now listen to Fox News articles! Public school teachers in Gov. Tim Walz ’s Minnesota are required to abide by a "horribly disgusting" and "crazy" race standard that forces them to assess how their "biases, perceptions and academic