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Ricardo Munoz

Chicago aldermen react

Chicago aldermen react

Mayor Rahm Emanuel says the teachers strike is "not necessary" because the two sides were close.

"I believe this is avoidable because this is a strike of choice," Emanuel said at a hastily called news conference at the Harold Washington Library Sunday night

Emanuel sought to cast the negotiations as hinging on two remaining issues: a new teacher evaluation system and principals' ability to get rid of teachers. Chicago Teachers Union officials said there are more remaining issues than that,...