Agence France Presse: Disagreements between rich and developing countries came into the open Sunday as the world’s top 20 greenhouse gas emitters worked to lay the groundwork for a new deal on climate change. The developed and developing countries, whose greenhouse gas emissions account for about 80 percent of the global total, were wrapping up two days of talks hoped to jumpstart negotiations on a successor to the Kyoto Protocol. But developing countries voiced scepticism about the meeting, saying …