Where magistrate judge conducted thorough hearing on continued violations of consent decrees by local government office, judge did not abuse discretion in declining to vacate decrees.The 7th U.S. Circuit Court of Appeals affirmed a decision by Magistrate Judge Sidney I. Schenkier, Northern District of Illinois. In the 1960s, Michael Shakman, an independent candidate seeking a delegate position at the 1970 Illinois Constitutional Convention, grew concerned that Chicago politicians influenced elections through patronage in …