As Israeli security experts have said time and time again, if the terrorist gets to the airport it's already too late. Brussels is an unfortunate demonstration of this principle.
A sufficiently resourced-starved TSA might "succeed" at preventing attacks on passenger air travel by eliminating passenger air travel altogether. Once lines approach 4, 5 hours people will just drive.
There's nothing even close in the air travel world. Even Nexus people have to endure the occasional cavity search.
It's gotta be killed. Immediately. It's a horribly bad idea that's just sinking its claws in further with each passing day. In fact, the politicians have probably already figured out -- we're stuck with them forever. I just wish they'd come out and be honest about it: infinite money sink, longer and longer lines, security theater, and more bullshit stories. Year after year.
There are 2 kinds of people: those who think that more money will somehow fix everything (them), and those that think more money will only exacerbate the problems that have brought us to the current point of the debate (me). As a matter of fact, as I write this, I think that may be the single most significant distinction between "conservativism" and "liberalism," as practiced in the US.
Ugh.. no it's not. That's a massive mischaracterization of liberalism. Liberals, by and large, do not think that throwing additional funding at things (for the sake of additional funds) will improve systems. It's an unfounded and cartoonish view of liberal policy.
The wait times must be reduced regardless.
The situation for travelers is worse, not better, if the TSA is understaffed but still present.