Deutsche-Welle: At UN talks originally scheduled to end on Friday, negotiators reached consensus Saturday for the foundations for an ambitious global climate pact, modifying wording in a document that had threatened to derail talks in Warsaw. China, the world's biggest emitter of carbon dioxide, and India (No. 4) had clashed with the US (No. 2) and other countries earlier Saturday over the wording of draft decisions with guidelines on when countries should present commitments for a new pact to fight climate change....