Commentary Here’s a headline from the Aug. 9 (London) Daily Telegraph: “The political question of our era is how to tackle climate change without losing voters.” Sounds plausible, doesn’t it? Maybe even profound. But the more you think about this statement, the more curious it seems. Of course, you can see what Tom Harris, the author of the article, is getting at. He takes the view—as do most of those in the media who write on this subject—that the need “to tackle climate change” is both (a) urgent and (b) unpopular. He doesn’t see the contradiction between these two beliefs. His article was occasioned by the most recent case for urgency, a nearly 4000-page report by the Intergovernmental Panel on Climate Change in which, if you believe The Washington Post, “scientists” warned “that time is running out for the world to make immediate and dramatic cuts to emissions produced by …