When Russia’s Yandex revealed that it, too, was working on self-driving cars, it was hard not to be a bit skeptical. Wouldn’t it be well behind American counterparts with a year-long head start, like Waymo? Clearly, it’s making up for lost time: Yandex (or specifically, its on-demand service Yandex.Taxi) has unveiled a prototype self-driving car. The heavily modified Toyota Prius V touts loads of sensors, AI and “proprietary computing algorithms” that can help it navigate