from washington. >> reporter: dave, this would be a major change for travelers and a shift in how tsa uses resources. the proposal, the agency is considering, calls for elimination of the tsa screening at small and medium sized airports that operate commercial plane was 60 seats or fewer. operating theory is treerrorist are not interested in the smaller airports and they are targeting larger airports. >> big or small against anybody you can go after. so the opportunity to go after a 50-person passenger jet is very attractive. >> reporter: the concern is the lack of imagination for how bad actors could exploit security weaknesses at smaller airports. after our story broke, tsa sent