If you think the public dialogue over gay marriage, gender change and sexism is challenging, imagine what it is like for a school teacher to deal with those topics when youngsters in their classroom begin asking questions. How does a teacher handle topics that many adults have a tough time with? On this edition of UWM Today, meet a UWM professor who has developed a book that is giving teachers a roadmap to talk about hot button issues like sexuality. Kim Cosier is the associate dean of the Peck