By Andrew Downie RIO DE JANEIRO (Reuters) - Sweden knocked the United States out of the women's Olympic soccer tournament on Friday, recording one of the sport's biggest shocks by beating the holders 4-3 on penalties in the quarter-final after the two sides drew 1-1 after extra time. Lisa Dahlkvist converted Sweden's final penalty after Alex Morgan and Christen Press missed for the holders in the shootout. Linda Sembrant also missed for Sweden. More...