On Friday, however, they were at their weirdest and wildest right at the start of the nearly 1¾-hour show. Never mind that they opened with a song I bet the band hasn’t played in 15 years, "Artificial. And indeed, we have plenty of evidence of that. For instance, zip over to RealClimate, where somebody really gets it: 1) I finished the book yesterday, concur with mike’s review. I’d amplify two…