The Latest: 17 years and 43.03 seconds to break 400m record
![The Latest: 17 years and 43.03 seconds to break 400m record](http://bloximages.chicago2.vip.townnews.com/democratherald.com/content/tncms/assets/v3/editorial/e/53/e5361e40-b248-51d8-a95b-32b18c206c2f/57b1774f89f30.image.jpg?resize=300%2C214)
Great Britain's Andy Murray reacts defeating Argentina's Juan Martin del Potro in the gold medal match of the men's singles tennis competition at the 2016 Summer Olympics in Rio de Janeiro, Brazil, Sunday, Aug. 14, 2016. (AP Photo/Vadim Ghirda)