Richmond Review: After road-testing the euphemism “carbon levy” on the first day of the campaign, Gordon Campbell now admits it’s a “carbon tax” as he lists off the various tax cuts and credits that offset it. High-profile support from the environmental movement, combined with solid poll numbers going in, have apparently convinced the B.C. Liberal leader that this signature policy of his second term isn’t quite the burden it was made out to be. In the early going it’s NDP leader Carole James who’s …