Dan Baum is one of America’s greatest writers. While I disagreed with the pro-gun control editorializing in Gun Guys: A Road Trip — written in the immediate aftermath of the Sandy Hook massacre — I can’t recommend it enough. Mr. Baum’s vignettes of American gun owners are as vivid as a Lilly Pulitzer print, and a lot easier on the eyes. Dan quit writing — and kept writing (of course). An email journal. Here’s a police-related post that hit my inbox, republished with his permission . . .