Climate Central: On Friday, the U.N. Intergovernmental Panel on Climate Change (IPCC) will release a major portion of its latest tome updating the science of global climate change. The report, the group's fifth since it was created in 1988, is expected to contain few surprises. And it's that lack of surprises and new findings that may mark the end of business as usual for the Nobel Peace Prize-winning panel, which has been instrumental in raising the profile of the climate issue to the top of the international agenda....