Agence France-Presse: A UN conference on Saturday rammed through a battle plan against climate change forged by US President Barack Obama and other top leaders, sidelining smaller states which lashed the deal as betrayal. After toxic exchanges, the summit chair forced through a deal using an unusual procedural tool that effectively dropped all obstacles to the new-born Copenhagen Accord. Related article: Climate scientists underwhelmed UN chief General Ban Ki-moon admitted the agreement had failed …