Count me among the many thousands of Washington area residents who spent Wednesday night stuck in traffic as a snowstorm sowed chaos all around us. Being car-bound in sub-freezing weather for six hours can make a guy think. I counted my blessings. The situation could have been worse, I realized: My fellow commuters and I could have been trying to make it home in electric cars, like the ones President Obama is constantly promoting, most recently in his State of the Union address. It is a basic ...