Sydney Morning Herald: THE Prime Minister, Kevin Rudd, has been overheard pouring cold water on world leaders’ chances of hammering out critical climate change limits at Copenhagen – just hours after the US President, Barack Obama, called for global optimism. Mr Rudd’s comments were picked up by Australian TV microphones that had been allowed in briefly to make a video of talks with the Danish Prime Minister, Lars Lokke Rasmussen, who is to host the Copenhagen summit in December. This is the meeting …