It’s pretty much a cliché to say that Americans live in two separate political realities. We shout at each other from our separate bunkers, unable to agree even on basic facts. One coping strategy—and maybe the default, given human nature—is to hunker down with our own tribe and demonize the other. But there are more constructive ways, and today’s guest makes a living examining those alternatives. He’s Jonathan Stray, senior scientist at University of California Berkeley’s Center for Human-Co...