Megan McArdle tries to board an airplane carrying 3.5 ounce bottles of shampoo that are not in a government approved Ziplock back. Hilarity ensues.
As asinine as TSA regulations are, however — and they are incredibly asinine, by the way — I’m with the commenters who argue against requiring TSA agents to make a lot of decisions. This necessarily requires inflexible and mindless application of seemingly arbitrary rules. Standardization is the essence of bureaucracy.
My personal solution to this has been to check my bags and suffer the added inconvenience of waiting for them on the other end. And to drive whenever conceivably possible.