U.S. gymnasts, left to right, Simone Biles, Gabrielle Douglas, Aly Raisman, Madison Kocian, and Lauren Hernandez wave to the audience at the end of the artistic gymnastics women's team final at the 2016 Summer Olympics in Rio de Janeiro, Brazil, Tuesday, Aug. 9, 2016. (AP Photo/Dmitri Lovetsky)

What to watch in primetime on NBC: Day 4

The best and brightest that the United States has to offer will be on display in primetime Tuesday night on NBC at 8 p.m. ET/PT as Michael P…

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Sangyoung Park wins epee gold in stunner

South Korean fencer Sangyoung Park has won the gold medal in the men’s individual epee, coming from behind to defeat veteran Geza Imre of Hu…