The recent announcement by the Transportation Security Administration that next summer it will finish deploying a nationwide program for frequent fliers raises numerous questions about technology, privacy and security. Congress and the airline industry have pressured the agency to establish a timeline for the Registered Traveler program since the agency finished testing it in September. In the agency’s spending law for next year, lawmakers directed officials to employ an existing database run by airports and airlines for the initiative in order to speed its deployment. Full Story