 For the foreseeable future, abandon the notion of self-driving cars. Yes, they will come one day, but they're still not safe, and it's worse when a driver wishes to use some sort of supervised self-driving mode. That's when the driver is depending on the car's self-driving systems to watch for dangers, but he can't, and the driver is not paying close attention either. The result? Even with so-called driver-supervised self-driving, overall safety is diminished and the risks increase.