While some have suggested that Mayor Pete Buttigieg “won” this week’s Democrat presidential debate, there is no question who, or rather what, was the loser. CNN and New York Times reporters did not ask any candidate any question about climate change and its offspring, the Green New Deal. It was a surprising omission. In the abstract, climate has polled as a very high priority among Democrat voters, so much so that in September, CNN televised a seven-and-one-half hour town hall meeting on climate for the candidates. This week, both Bernie Sanders and Tom Steyer briefly protested the lack of attention...