It's not a question of scrapped or reformed. Current screening does not provide any better security than we had prior to 9/11. In fact, I think it can be argued that TSA enhances the possibility of future attacks succeeding by making the attackers more carefully consider their options. Prior to 9/11 hijackings were characterized by passengers and crew acceding to the hijackers demands. Post 9/11 that changed and passengers and crew took responsibility for subduing the few crazy people who cropped up in-flight.

Today, the bad guys are scheming about how to circumvent the TSA, while the TSA steadfastly only deals with attempts that have previously been made. Idiots.

Airport security can safely go back to pre-9/11 screening standards and the re-enforced cockpit doors and enhanced passenger awareness will be more than enough to allow us all to fly safely.

DHS/TSA measurably makes us less safe.