From NPR News, this is ALL THINGS CONSIDERED. I'm Audie Cornish. New laws go into effect across the country today and we're going to look at a few of them that all struggle with the same problem, how to keep up with technology. We're going to hear about three of them now from Jon Kuhl of the National Conference of State Legislatures. The first deals with that perplexing new phenomenon, driverless cars.