Rock guitarist Leslie West, who rose to fame in the '70s power trio Mountain, has had his lower right leg amputated in a life-saving operation related to his diabetes, his wife said on Monday. West, 65, underwent the emergency surgery after being admitted to a hospital in Biloxi, Mississippi, on Saturday when his leg started to swell and his foot went septic. "The doctors tried for two days to save it to no avail. The decision to amputate was one that was necessary to save his life as the infection was spreading throughout his body," his wife, Jenni West, said...