Dow Jones: Japan Prime Minister Yukio Hatoyama said Saturday the December conference in Copenhagen to discuss global climate change issues is important and shouldn’t fail. He made the comments at a three-way summit in Beijing with China Premier Wen Jiabao and South Korea President Lee Myung-bak. Nations around the world are trying to lay the framework for a global climate deal in Copenhagen later this year that would take over when the current provisions of the Kyoto Protocol run out in …