By Elaine Kurtenbach Associated Press TOKYO (AP) — Mountaineer Kei Taniguchi fell to her death while climbing this week in the snowy Daisetsuzan range in northern Japan’s Hokkaido. She was 43. Taniguchi, who climbed Mount Everest in 2007, became the first woman to win the prestigious Piolet d’Or (Golden Ice Axe) mountaineering award in 2009. […]