By Steve Keating RIO DE JANEIRO (Reuters) - The United States reaffirmed their status as gold medal favourites blowing away Argentina 105-78 on Wednesday to storm into the semi-finals of the Olympic men's basketball tournament. Even though the U.S. finished group play without a loss, questions about their ability to claim a third straight gold swirled after three unimpressive narrow wins to close out preliminary play. But they were back at their dominating and lethal best against Argentina, extending their Olympic winning streak to 23 games. Clearly looking to send a message, the U.S. ...
