Australian Broadcasting Corporation: Opposition Leader Malcolm Turnbull is upping the ante in the row over carbon trading, backing tougher emissions cuts than the Government while bidding to launch a Senate enquiry into the much-criticised emissions trading scheme (ETS). The Coalition is trying to embarrass the Federal Government over its decision to scrap an inquiry into the ETS and plans to launch a Senate inquiry with terms of reference identical to the one Labor scrapped last week. Speaking on AM this morning, …