What? You mean that you don’t trust TSA to keep us safe? The agency that won’t let you take water on a plane, and intrusively checks granny in a way that makes her cry? The agency which is forbidden to profile the way that Israel does?
This is exactly profiling the way Israel does it. And it's about time.
You are aware of the Terrorist plan to smuggle liquid explosives onto aircraft?
How would you prevent this? Test every bottle of water as part of the screening process?