Dayton teacher Elizabeth Clausen has been suspended, after including a controversial art work as part of a final exam. The picture was of a cop in a KKK hood, pointing a gun at a black child wearing a hoodie, and holding a bag of skittles. The lesson was apparently about slavery, Lyon County School district has apologized for the offensive picture and is investigating. Many students are backing the teacher and say the picture was all about provoking discussion of some difficult issues.