The position I find myself in quite often these days is a deep, knee-buckling squat, head tilted, eyes rapidly scanning the bases of walls and the undersides of cabinetry, in a desperate effort to locate an electric outlet. I am not alone. In airports and train stations and bus stops all over this land, there are squatting, head-tilting, eye-scanning individuals desperately looking to plug in. Like many people, I travel with a Best Buy's worth of electronics: My phone, my computer, my iPod...