Gabriel A. Fuentes, a veteran Jenner & Block LLP partner, was ceremonially sworn in last week as the newest magistrate judge to join the federal court in Chicago.He officially began the job with a private swearing-in on June 3.Before spending nearly two decades as a litigator, Fuentes was a newspaper reporter for the City News Bureau, the Chicago Tribune and the Los Angeles TimesIn his second career, Fuentes maintained …