> The incident is one of at least 21 interactions documented by local police during the past two years where people have harassed the autonomous vehicles and th

> The incident is one of at least 21 interactions documented by local police during the past two years where people have harassed the autonomous vehicles and their human test drivers. How many drivers do they have? That doesn't sound like a particularly high rate for a few dozen drivers over two years. Taxi drivers tend to encounter a lot of crap.