Associated Press: =The top U.N. climate official said Wednesday that though the Copenhagen global warming summit went sour, countries should avoid blaming each other and get down to work on a better deal next year. Yvo de Boer, head of the U.N. climate change secretariat, also said it could take months before poor countries begin receiving billions of dollars in emergency funds to adapt to climate change and begin controlling their emissions of greenhouse gases. A $30 billion fund over the next …