KATHMANDU, Nepal (AFP) — Swiss climber Ueli Steck, one of the most feted mountaineers of his generation and famed for his speed ascents of iconic Alpine routes, has died on Everest, officials said. “Today morning, he had an accident on the Nuptse wall and died. It seems he slipped,” Ang Tsering Sherpa, head of the Nepal Mountaineering Association, told AFP. Steck, 40, was on Everest to acclimatize before attempting to summit the world’s tallest peak […]