Chicago teachers strike is affecting more than just students . Ruben Navarrette : Strike says unions are concerned about education reform . He says strike also tests the relationship between unions and the Obama administration . Navarrette : For unions , the strike could turn into a disaster if it is n't resolved soon .
Chicago teachers strike is affecting more than 350,000 students . Ruben Navarrette : Strike reveals Democrats are divided about education reform . He says strike also tests the relationship between unions and the Obama administration . Navarrette : For Obama , the strike could turn into a headache if it is n't resolved soon .