Associated Press: The U.N. General Assembly is bringing together business leaders, activists and government officials for a debate on climate change starting Monday – an effort to keep up the momentum for a new treaty by 2009 to fight global warming. The two-day session is a follow-up to the international climate conference in December on the Indonesian resort island of Bali, where delegates from nearly 190 nations agreed to adopt a blueprint to control global warming gases before the end of next …