Of the festivals of nonsense that periodically overtake American politics, surely the silliest is the argument that because Washington is having a particularly snowy winter it proves that climate change is a hoax and, therefore, we need not bother with all this girly-man stuff like renewable energy, solar panels and carbon taxes. Just drill, baby, drill. When you see lawmakers like Senator Jim DeMint of South Carolina tweeting that “it is going to keep snowing until Al Gore cries ‘uncle,’ ” or news that the grandchildren of Senator James Inhofe of Oklahoma are building an igloo next to the Capitol...