A great Chicagoan died this week at the age of 95. He was an American hero. His name was John W. Rogers. I came of age as a juvenile defense lawyer in Rogers’ courtroom at Cook County Juvenile Court at 1100 S. Hamilton Ave. In 1991, I left private practice at a commercial litigation firm in the Loop to accept a clinical teaching fellowship at Northwestern University School of Law. I jumped at the opportunity because it meant that I would work under the direction of Tom Geraghty, Northwestern’s clinical …