Unlike Pope Francis, I believe that air-conditioning and the capitalists responsible for the technology are blessings to the world. Perhaps the head of the Catholic Church, who condemned "the increasing use and power of air-conditioning" last week in a market-bashing encyclical, is unaware of the pioneering private company that has donated its time, energy and innovative heating, ventilating and air-conditioning equipment to the Vatican's most famous edifice for more than a decade. That's right. While the pontiff sanctimoniously attacks "those who are obsessed with maximizing profits," Carrier Corporation — a $13 billion for-profit company with 43,000 employees worldwide (now a...