Education Chicago simmers over school closings. Is that bad for Mayor Emanuel? (+video)

The Chicago Teachers Union said it was filing a lawsuit protesting the school closings, adding to two filed by parents last week. Critics say they suspect Mayor Emanuel is paving the way for charter schools.

AP Photo/M. Spencer Green

Chicago’s controversial decision to close 50 public schools was challenged by a third lawsuit Wednesday, inflaming a public relations war between City Hall and the teachers union that polls say is being waged at a time that Mayor Rahm Emanuel is more vulnerable politically.