Record Smashing Ledecky Win Women S 400M Free
RIO DE JANEIRO (Reuters) - Katie Ledecky of the United States broke her own world record on Sunday on the way to winning the women’s 400 metres freestyle gold medal, the first stage of a rare treble she hopes to complete at the Rio Olympics. Ledecky, who had come close to the record in the morning heats, led from start to finish to set a new mark of three minutes, 56....