In 1922, Genevieve Forbes took Tribune readers on an armchair tour of Chicago’s demimonde. She regularly covered crime and high society, but it was a slow news day. So she wrote about black and tans, as nightclubs with a mixed-race clientele were known. At one, she noted that a patron had more than a little too much to drink. “She is lifted vaguely, on her way to the ladies room,” Forbes wrote. ...