Why do U.S. international airports lack ‘sterile’ international connections areas that don’t require you to clear U.S. customs in order to connect on an international flight, like airports in many other countries have?

Question

Why do U.S. international airports lack ‘sterile’ international connections areas that don’t require you to clear U.S. customs in order to connect on an international flight, like airports in many other countries have?

In: Other

Answer 1

One of many post 9/11 regulations, that’s not allowed. Idea being that someone might board in a place with less strict security then board an international flight with a fresh tank of gas over US soil armed with whatever they managed to sneak through to take said flight over.

We also just don’t have nearly as many international layovers heading to another country as “many other countries”, so theres no big push to change that policy.  

Consequence of our size, relative geographic isolation and that most people who would be negatively impacted by it can’t exactly vote or write their congressman on the issue. Not having one and all.