When I covered Google a decade ago , the company's driverless car project was a hot topic. Every time the press gathered, project lead Chris Urmson stepped up to answer questions. Most of us journalists were desperately trying to learn the key technical details on the fly, so we often resorted to the same question that we hoped would yield an interesting story: "When will cars be fully autonomous?" Urmson always did his best to answer, without committing Google to unrealistic timelines. After a