Edward Snowden, left, appears with Glenn Greenwald in a scene from the documentary Citizenfour. (Radius TWC/AP …The FBI has identified an employee of a federal contracting firm suspected of being the so-called “second leaker” who turned over sensitive documents about the U.S.
Google’s self-driving cars have made impressive progress in the past few years, logging over 700,000 accident-free miles without human intervention, according to the company (there has been at least one accident reportedly caused by a human driver).