Having gone on record against the narrative-killing malevolence of PowerPoint (“Unsure? Tell a story . . .”), I was pleased to see that the most popular story in The New York Times this week documents military commanders’ disgust with the fancy slide show. But we haters have little impact: recently someone asked me if I could give a presentation in PowerPoint on a magazine article I wrote. No and no! The Times‘ April 26 story by Elisabeth Bumiller refers to …