The trouble is, dumb people don't learn to drive, but they are allowed to anyway. When was the last time you took any kind of a test to renew your license? Indiana and Michigan at most require an eye test, and they encourage you to do it on line or by mail, which skips even that step. I know it's a PITA, but we all ought to have to take at least a written test every 4 years. At the very least might help us keep up on some of the changing laws, remind us of some of the basics we learned back in drivers ed.