OPINION: Eleven years ago, 2,500 of the world’s elite, including Nobel laureate and former Vice President Al Gore , descended in Davos , Switzerland, to attend the World Economic Forum summit. Many traveled in their socially inequitable private jets to preach about the rules the rest of us must follow to address catastrophic climate change. “If we do not start reducing emissions, we could see within 50 years very heavily populated areas becoming physiologically unlivable,” Mr. Gore warned in