Since 1896, the United States has won 2,404 summer medals, but there are three sports that Americans have failed to medal in.
The NASCAR America crew walks through one of the hardest race tracks, the 'Tricky Triangle,' analyzing how best to drive the tight turns.
Police have charged the 16-year-old son with two counts of juvenile murder. The daughter was at home, but was not injured.
At each Olympic Games, there's always new stars who breakout, and Rio won't be any different.