I believe Continental is the first airline to officially go on record as opposed to Registered Traveler. Kudos to them! ^

http://www.nytimes.com/2006/12/05/ny.../05screen.html

“We don’t support the registered-traveler program in its current form,” said Julie King, a spokeswoman for Continental in Houston. “We just don’t feel it provides significant benefits to the people who participate.”