How Uber and Waymo ended up rivals in the race for driverless cars
The friendship developed into a partnership. Mr. Levandowski left Google last year to form Otto, a self-driving trucking start-up. Uber acquired it months later for nearly $700 million. Mr. Kalanick subsequently appointed Mr. Levandowski to run Uber's autonomous vehicle research. That relationship has since set off a legal morass, with Google's self-driving...