The Judicial Accountability Political Action Committee didn’t get its start trying to defeat a Cook County judge. It was trying to save one.Back in February, weeks before a contested Democratic primary to fill a vacancy on the circuit court’s 4th Judicial Subcircuit, the newly launched JAPAC came to the defense of Circuit Judge David R. Navarro, who was getting attacked in mailers and flyers for implementing bond-reform policies in his courtroom. After Navarro won his primary contest by 11 points, members of …