Reuters: At the tail end of the hottest year on record, climate negotiators in Paris will aim on Saturday to seal a landmark accord that will transform the world's fossil fuel-driven economy within decades and turn the tide on global warming. After four years of fraught U.N. talks often pitting the interests of rich nations against poor, imperiled island states against rising economic powerhouses, French Foreign Minister Laurent Fabius will unveil the latest text of a climate deal on Saturday at 9 a.m. (0300...