Globe and Mail: His teeth must have been gritted, but Prime Minister Stephen Harper did manage to utter the words “climate change’ during this annual Arctic tour. Mr. Harper, as we know, hates the climate-change issue. It causes nothing but political trouble for him. He’s got a gaggle of MPs who don’t believe in the science; he’s got conservative media beating the same dead horse of faulty science every week. And he himself thinks climate change is a loser — economically, if anything serious were to …