Clear, aka the "Registered Traveller" program, is no more. Between airlines that allowed an increasing number of "elite" fliers to jump the security queues, and the TSA itself getting better at making the lines move, the company's value proposition rapidly eroded. Did competition from the registered traveler program encourage these developments? I guess we'll find out soon.
A group of journalists, professors, and non-profit leaders predict the future of livable, walkable cities