Reuters: U.N. climate talks in Copenhagen next month can be a turning point in the world’s fight against global warming, Denmark’s prime minister said on Friday, adding that more than 85 heads of state and government had already said they would attend. Addressing a summit of Commonwealth leaders in Trinidad and Tobago, Lars Lokke Rasmussen urged major developed countries to deliver firm commitments on cutting greenhouse gas emissions and to "put figures on the table" for "up-front" financing …