One day after a sports website reported that budding Russian cross-country ski star Petr Sedov was suffering from a potentially serious heart problem, the president of the Russian Ski Association, Elena Vyalbe, said that Sedov had been to see specialists in Davos, and that “cause for concern was not found.” “The final conclusion is not ready yet, but according to preliminary data, Peter’s heart is all right,” his father told the website SkiRun.ru that he failed...