Last month my neighbor Dave told me something that stuck with me. His wife ordered a few pieces of clothing online. Tracking said "Delivered" at 2 PM. She got home at 6 PM. Nothing on the porch. Checked everywhere—no package. Called the apartment office—they hadn't seen it. Called the carrier—the driver said "left it at the front door, you figure it out." Dave was furious. It wasn't even about the money—maybe a hundred bucks total. It was the feeling that your own front porch isn't safe anymore. This happens all over the U.S. Chicago, LA, Houston—scroll...