Canberra Times: The Rudd Government has been forced to defend its position on climate change after former Liberal leader Malcolm Turnbull unleashed a vitriolic attack on its political cowardice over its emissions trading scheme. The Government also had to quell further speculation about its leadership and whether Prime Minister Kevin Rudd would keep the top job given Labor’s parlous state in the polls, or whether his deputy Julia Gillard should lead the party to the next election. Mr Turnbull, …