CanWest News Service: The Harper government and the Bush administration caved in to international pressure at the United Nations climate change summit yesterday, accepting the "Bali Roadmap" toward a new comprehensive agreement to stop human activity from causing irreversible damage to Earth’s atmosphere and ecosystems. The framework was hailed by the UN’s top climate change official, Yvo de Boer, as an ambitious, transparent and flexible solution on the road to a comprehensive treaty in 2009, …