Rather ironic, is it not, that cap-and-trade crusader and presidential aspirant Sen. John McCain calls for a gas-tax holiday just as President George W. Bush reportedly prepares to flip on the global-warming issue?

Cap-and-trade is designed to increase energy costs. McCain wants a gas-tax holiday because the cost of energy is hurting Americans and the U.S. economy. It certainly would be nice to square these two things, tossing in a discussion of McCain’s promise not to raise taxes — given the current state of the economy and the cost of energy – for good measure.

Such discussions of course come when candidates disagree on an issue. Cap-and-trade rationing, sadly, is not such an issue.