Today’s Mother Jones online features a fascinating interview with Gene Weingarten, now a semi-retired humor columnist for The Washington Post, who won two Pulitzer prizes for feature writing, most recently for his story about parents who forgetfully leave their children locked inside hot cars. He’s the author of The Fiddler in the Subway, a collection of his stories that originally appeared in the Post and its Sunday magazine. Interviewer Michael Mechanic writes that “very few living nonfiction writers could ever …