Voice of America: This week’s summit of advanced economy leaders in Japan produced first steps toward a global climate agreement. However, it also spotlighted gaps on the issue both between rich and poor nations and between the world’s biggest polluters and several nations who are rapidly catching up. VOA’s Kurt Achin has more from Hokkaido, Japan. Tradition and policy prohibit the host country of the so-called “G-8” summit from naming specific leaders when briefing the media about summit …