Sept. 25 — A sickly schadenfreude is pervading the coverage of Bob Greene’s swift demise. A little over two weeks ago, Greene was one of the country’s best-paid journalists, writing a four-times-a-week syndicated column for the Chicago Tribune. Then, on Sunday, Sept. 15, a 1988 hotel-room encounter with a teenager came to light.GREENE RESIGNED, apologizing for his “indiscretions.” The Tribune covered the story on its front page. Since then, Chicago’s been awash in gleefully salacious tales of Greene’s other purported extramarital affairs: Steve Dahl, a Chicago shock jock, invited women who were willing to divulge the details of their dalliances...