New York Times: Amid a growing split in the business community over climate policy, Pacific Gas and Electric, a major California utility, is withdrawing from the United States Chamber of Commerce, citing “fundamental differences” with the chamber’s approach to global warming. “We find it dismaying that the chamber neglects the indisputable fact that a decisive majority of experts have said the data on global warming are compelling and point to a threat that cannot be ignored,” Peter A. Darbee, the …