UBER WAS HAVING a bad month even before Waymo, Google’s self-driving car outfit, filed a bombshell lawsuit accusing the ridesharing giant of swiping gobs of its autonomous driving tech. Now, on top of political criticisms of CEO Travis Kalanick and accusations of a sexist corporate culture, the company must worry about a legal dispute that could cost it a truckload of money, kill its self-driving research, and even land more than one executive in prison…