Travel can be broadening. It’s also a good way to pick up ideas that work elsewhere, in Our View .

Excerpt:

No more plastic bags? Ultra-clean vehicles? Imagine. But remember when it seemed beyond imagination that states would ban smoking in bars? Or make it illegal to drive without seat belts? In this era of federal government gridlock, it falls to cities and states to become laboratories for creative and landmark legislation.

Is there a good idea elsewhere that you wish were implemented here?