A lot of it is about training. Many, if not most, of TSA's airport employees are the same poorly trained security staff that were laid off (and subsequently rehired) after the TSA's creation.
The answer is a better security organization, perhaps modelled after a functioning organization, like Israel's (I've studied the country's security practices, and it readily comes to mind). The answer is not regressing to poorly trained and poorly organized DIY security operations.
>> The answer is not regressing to poorly trained and poorly organized DIY security operations.
The answer lies in not giving up essential liberty for promises of safety
The goal of Terrorism is to scare people so badly they give up their own way of life "voluntarily" because they are scared, in that the terrorist have won
The answer was reinforcing and locking cockpit doors. Everything after that is just for show.
Why not? They could hardly do worse than the TSA:
> According to a report based on an internal investigation, "red teams" with the Department of Homeland Security's Office of the Inspector General were able to get banned items through the screening process in 67 out of 70 tests it conducted across the nation.