Hill: President George W. Bush deserves credit for kickstarting talks that led to a landmark international agreement on climate change, according to U.N. Secretary-General Ban Ki-Moon. Ban pointed to a 2007 U.N. climate conference in Bali, when the United States pulled an about-face and agreed to enter negotiations on a new global treaty to curb greenhouse gas emissions. The secretary-general told the Associated Press he still feels "very much grateful" to Bush. "That was the beginning of our success,"...