Climate Central: As a fortnight-long round of climate negotiations ground into their grueling final days here, U.S. State Department Secretary John Kerry on Thursday stopped by to remind the gathering of the critical importance of reaching a meaningful agreement.
During a speech in a media tent during a visit that wasn't expected to last longer than several hours, Kerry spoke hopefully of the role that energy policy could play in addressing the threat of climate change -- a "global threat' that he said "ranks...