Age: "ACTION to tackle climate change will not be easy. It will require tough choices. And some of these will come at a political price," Prime Minister Kevin Rudd told the UN conference, perhaps prophetically. Right now Mr Rudd has a choice in Bali, but so far he has hesitated to make it. The choice is clear: either he embraces critical wording in the draft Bali deal recognising the scientific imperative for developed countries to lead the way in making deep cuts in their …