2008_10_obamateach.jpgWeeks after the Department of Education sent a memo around to principals trying to get them to crack down on teachers expressing their political views in the classroom, the teachers' union has responded with a lawsuit saying the rule demanding they maintain neutrality in front of students violates their First Amendment rights. The suit comes on the heels of one teacher being asked to remove political buttons they were wearing and another having the Obama poster they had put up on a union bulletin board taken down. Before the recent enforcement of the rule, teachers say that the Department had turned a blind eye to it and wearing political buttons--as recently as this year's primaries--was second nature. Randi Weingarten, the union president, said to the Times, “Students can only benefit from being exposed to and engaged in a dialogue about current events.