It would be naïve to think we are going back to a world without AI. But it's only one of many urgent problems we need to address to build security and prosperity for coming generations. The latest print issue of our magazine is all about our attempts to make the world more secure. We’re also introducing three new columns in this issue, from some of our leading writers: The Algorithm, which covers AI; The Checkup, on biotech; and The Spark, on energy and climate. + Both Taiwan’s citi­zens and external experts are worried that the protection afforded by its “silicon shield” is cracking.