On the Today show Wednesday morning, NBC weatherman Al Roker joined some of his other liberal media colleagues in trying to find a “silver lining” amid the coronavirus pandemic, namely that the deadly disease was improving the climate by forcing people to stay home. “And an interesting correlation to the coronavirus, if there is any, any silver lining, pollution levels way, way down,” Roker declared during his weather report in the 7:30 a.m. ET half hour. A graphic appeared on screen with the headline “Vanishing Pollution,” as he explained: This is what it looked like, our pollution looked like a...