Sudsbury Star: Striking while the iron is hot, the Harper government is lining up at U. S. president-elect Barack Obama’s door with a proposal for a joint climate-change pact. The main purpose of the Conservatives’ proposal is typically Alberta-centric — to secure a special place for tarsands oil in the U. S. economy. And the environmental angle? Well, that’s a clever bit of packaging to entice a new president who, unlike his predecessor, actually believes in the concept of human-caused …