Reuters: Leading economies reached a draft accord on greenhouse gas emissions that will be presented at the G8 summit next month, South Korea said on Monday, but sources at the talks said there were no breakthroughs in the pact. Members of the Group of Eight leading powers, eight other major countries and the European Union met in Seoul at the weekend seeking long-term pledges on cutting greenhouse gases. A diplomatic source in the talks who asked not to be named said: "The G8 …