Sadly, American policymakers are focused on the wrong thing when it comes to petroleum. For the benefit of American consumers and the nation as a whole, the emphasis should not be so much on petroleum production but rather on building new refineries across the nation that produce the variety of refined petroleum products the country consumes. It’s absurd to run the world’s largest economy on a petroleum refinery system that is so vulnerable that if a couple refineries stop producing for any reason, it…