Commentary With so much else going on in politics lately, it’s worth it to return to the main obsession of California politicians during normal times: climate change. Some items: My Aug. 12 article here was titled, “California Wildfire Greenhouse Gases Dwarfed by China’s.” A couple of weeks later, on September 3, the climate site Watts Up With That? confirmed this with an article, “23/25 Top GHG Emitting Cities are in Red China,” by David Middleton. Subtitle: “World’s Dirtiest Cities List Raises Issue: Why Don’t Politicians Call Out China?” The first American city on the list was New York, at No. 26. Put another way, 23 Chinese cities each spews out more GHGs than the Big Apple, population 8 million. Next: “Out of the top 75, just four other American cities are listed—San Diego, Houston, Chicago and Los Angeles—all of them ranked 41 or higher. In other words, the U.S.—including each …