New Zealand Herald: If the devil is in the details, climate change negotiators are about to enter purgatory. Two thousand delegates from 162 countries and dozens of specialist agencies are opening a two-week conference, the first to get into the nuts and bolts of a new global warming agreement to take effect after 2012. The meeting builds on a landmark accord reached in December on the Indonesian island of Bali which, for the first time, held out the promise that the United States, China and India …