As robotaxi companies attempt to scale in the US, they face increasing scrutiny and mounting criticism from drivers, law enforcement, and local governments (Sean McLain/Wall Street Journal)

Sean McLain / Wall Street Journal: As robotaxi companies attempt to scale in the US, they face increasing scrutiny and mounting criticism from drivers, law enforcement, and local governments — As autonomous taxi services scale beyond Silicon Valley, new problems abound for cities — This was supposed to be the year …