Christian Science Monitor: Efforts to start two years of talks aimed at crafting a new global pact on climate change enter their most intense phase this week. Ministers from more than 180 countries arrive Wednesday to give final shape to a framework for the talks, which could begin as early as next June. But even as they look to the future, ministers also will be dealing with the present – giving a final burnish to the 1997 Kyoto Protocol before turning it loose next year. The protocol’s first – and perhaps …