At the meeting of the C40 Cities Climate Leadership Group in Brazil, city leaders are trumpeting their efforts to fight climate change. New York City Mayor Michael Bloomberg, who's a C40 chair, released a report yesterday on the carbon emissions of some of the world's largest cities and took the opportunity to give his "you can't start solving a problem until you've got data" spiel.

I live in New York, but I also have some allegiance to New Jersey. My parents grew up there, and even though we moved around when I was kid, they're both back there now. So both of my governors -- the one whose election I had a say in, Andrew Cuomo, and the one who's repping a state I always feel some need to defend, Chris Christie—are media-savvy men who may or may not have presidential ambitions.

Whatever they think about that option in their innermost hearts, both men regularly have their names thrown around as possible presidential contenders. While that's flattering to them, it's not necessarily in the best interest of their constituents, who didn't elect these guys to boost them onto the national stage, but to, you know, govern on a state level.