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

By David Boston Charlize Theron.  Robert Downey, Jr.  Jennifer Aniston.  Adam Levine.  Joe Johnson.  Alessandra Ambrosio.  What do all of these celebrities have in common (besides being A-list actors, musicians, athletes, and supermodels)?  They all swear by yoga.  And their physical appearance and mental aptitude enthusiastically scream the benefits associated