Video gamers v couch potatoes

IF READERS, LIKE Schumpeter, have children who barely have time to say hello as they hunch over a computer, headsets on, talking with friends while blasting their digital enemies to smithereens, here is some advice. Take them to a competitive video-gaming, or e-sports, tournament, like the Counterstrike: Global Offensive (CS:GO) "major" in Katowice, Poland, this weekend. It is an orgy of creative destruction--in the glorious, goriest sense. Amid the razzmatazz and cosplay, it may not feel like a...