It’s good to be informed. I say this for those who go outside in the wintertime and wonder what happened to global warming. I know there are people who do not want to believe it for political reasons, but those people are hopeless, so we can count on their ignorance (media sources have no excuse for being that dumb). But as long as the vast readership of this Booze Cabinet is informed, I’ll feel better about it–and I assume that you are, of course. But in case you aren’t…here’s nine minutes of simple science.