""Hi, I'm the United States and I'm an oil-oholic."" We have an energy problem. And everybody knows it, even if we can't all agree on what, specifically, the problem is. Rising costs, changing climate, peaking oil, foreign oil, public safety--if the fears are this complicated, then the solutions are bound to be even more confusing. Maggie Koerth-Baker--science editor at the award-winning blog BoingBoing.net--finally makes some sense out of the madness. Over the next 20 years, we'll be forced to cut 20 quadrillion BTU worth of...