Copyright 2015 Bloomberg. NIOVX36JIJUQ (Updates with Japanese government official in third paragraph.) (Bloomberg) — A Japanese hostage was shown killed in a purported Islamic State video after a deadline passed for Japan to pay a $200 million ransom, according to the Japanese government and a terrorist-monitoring group. Haruna Yukawa, a

©2015 Bloomberg News NQ75ILSYF01T (Bloomberg) — Doctors are joining the fight against pollution from coal power, adding a significant new dimension to the effort to rein in global warming. Calling for “a rapid phaseout of coal from the global energy mix,” a panel of 46 health professionals and climate scientists