Canadian Press: Federal Environment Minister John Baird says a Canada-wide carbon tax would be akin to a “pay-and-pollute” system. Baird was slamming Liberal Leader Stephane Dion’s plan to cut greenhouse gas emissions. Dion says shifting to a carbon tax on polluters is the right thing to do for the country, even as consumers are facing much higher energy costs than they did a year ago. But his plan won’t be getting Baird’s vote. “A company could simply buy their …