There was a horrified silence. The birds stopped singing. The Minister adjusted his tie. The Permanent Secretary looked at his watch. Professor Mackay looked as though he wished the plush sofa into which he was disappearing would swallow him up entirely.
Eventually, in a very small voice, the Professor said, "Er, ah, mphm, that is, oof, arghh, we've never done any such calculation." The biggest tax increase in human history had been based not upon a mature scientific assessment followed by a careful economic appraisal, but solely upon blind faith. I said as much. "Well," said the Professor, "maybe we'll get around to doing the calculations next October."
Ho hum. Yet more proof that "global warming" policy is not based on rigorous science but is a pagan religion (code named "The Cause" by alarmist scientists in Climategate emails) promoted by leftist elites committed to their vision of social justice, science be damned.
Empirical evidence? We don't need no stinking evidence - just give us your money, please.