New Republic: On stage at the Ronald Reagan Presidential Library in mid-September, two-plus hours into the second GOP presidential debate, the candidates were shifting under the glare of the klieg lights as moderator Jake Tapper began grilling Senator Marco Rubio about one of the Republicans least favorite topics: climate change. When evidence mounted in the 1980s that the ozone layer was shrinking, the CNN anchor noted, Ronald Reagan urged skeptics in industry to come up with a plan and his approach worked....