Last week while I was enjoying a relaxing weekend, I noticed that one network was having a marathon of one of my favorite old TV shows. So I sat back and enjoyed several original episodes of Columbo back-to-back. I’ve always enjoyed watching the show from an entertainment viewpoint, but I’ve also found it instructional from a selling perspective. When I conduct sales training, I often use Columbo as a role model for his approach in handling people and process. I hadn’t thought about Columbo in...