September/October 2012 – In a bitter labor dispute between The Chicago Teachers union and Chicago Mayor Rham Emanuel, Chicago Teachers went on strike protesting new proposed contract terms that included increasing the length of the school day, Teacher evaluations being tied to performance and wages. Seven days of work were lost in the highly publicized walkout that sparked a national debate over education reform. The strike ended with the teachers union, representing the nation’s third-largest district, and the city agreeing to terms on a 3 year contract.