A man holds up a smartphone with the Uber app visible on screen, as taxis queue in the background on June 4, 2019.The Department of Justice sued Uber on Thursday, alleging the ride-hailing giant discriminated against riders with disabilities, according to a filing."Despite the importance of its services to people with disabilities, Uber denies people with disabilities full and equal enjoyment of its services in several critical ways," the complaint, filed in a federal court in San Francisco, reads.The DOJ a ...