Gasoline is a good thing. It gets us to work, to the doctor or hospital, to the charity we volunteer for or to the store to buy food. It makes it possible to visit kids and grandmas at Christmas, and to go on vacations in the summer. And in spite of what you read in the paper--outrageous gasoline prices entered into Google gets you 15,000 links--its current inflation-adjusted price of $2 a gallon is about its median price over its 85-year existence, and with the exception of the 1980s spike, it has been steadily declining over the decades. Better still,...