Bela Karolyi, the charismatic -- if polarizing -- gymnastics coach who turned young women into champions and the United States into an international power in the sport, has died. He was 82. USA Gymnastics said Karolyi died Friday. No cause of death was given. Karolyi and wife Martha trained multiple Olympic gold medalists and world champions in the U.S. and Romania, including Nadia Comaneci and Mary Lou Retton. "A big impact and influence on my life," Comaneci, who was just 14 when Karolyi coached her to gold for Romania at the 1976 Montreal Olympics, posted on Instagram. Yet Karolyi's strident methods sometimes came under fire, most pointedly during the height of the Larry Nassar scandal. When the disgraced former USA Gymnastics team doctor was effectively given a life sentence after pleading guilty to sexually assaulting gymnasts and other athletes with his hands under the guise of medical treatment, over a dozen former gymnasts came forward saying the Karolyis were part of a...