Malcolm Gladwell, the author of the best-selling books “The Tipping Point,” “Blink,” and “Outliers” and the host of the Revisionist History podcast, talks about his latest title, “Revenge of the Tipping Point: Overstories, Superspreaders, and the Rise of Social Engineering”; the disappearance of what he calls “the critical enterprise in America”; and how A.I. is complicating his famous “10,000-Hour Rule.”