Interviewing candidates for first-level manager positions is something that I’ve done quite a bit over the course of my career. I would guess that I’ve interviewed at least a hundred or more candidates looking to take on a first-level manager role. I can’t say that I’ve been consistently good at it. It’s taken years of practice, and the thing you learn with practice is that you always need more practice. During my time at Amazon I phone screened anywhere from one or two, to half a dozen or more...