WASHINGTON, Dec. 15 -- The Federal Trade Commission issued the following news release: * * * FTC and States File Amended Complaint Against Uber for Deceptive Billing and Cancellation Practices * The Federal Trade Commissionjoined by 21 states and the District of Columbiatoday filed an amended complaint alleging that Uber charged consumers for its subscription without their consent, failed to deliver promised savings including $0 delivery fees, and made it difficult for users to cancel the su  more