Neil Peirce asks whether mayors from around the world might create a united urban voice around issues that affect cities. One such issue: the US’s lax control over guns:

Citiwire.net » Could Mayors’ Fervor For Gun Curbs Trigger Global Legal Action?

A clip:

The “extremely violent” Mexican drug gangs, Mexico City Mayor Marcelo Ebrard Casaubon reported, are getting 85 percent of their weaponry from transfers across the U.S. border. (The method’s simple — the gangs simply recruit straw buyers who can flash a U.S. driver’s license at a gun shop, walk out with scores of firearms, many of them assault weapons, and then transport the lethal cargo into Mexico).

This is an interesting idea. Ten years ago, I would have said “no chance.” But recent inroads in global environmental enforcement of things such as environmental assessment suggest otherwise.