Olympic rugby 7s tipped to change the game
![Olympic rugby 7s tipped to change the game](http://bloximages.chicago2.vip.townnews.com/democratherald.com/content/tncms/assets/v3/editorial/1/b0/1b03fa27-5795-5e80-ab67-e37e9b773add/57a4ed65c052d.image.jpg?resize=300%2C182)
South Africa's Cheslin Kolbe runs with the ball during a men's rugby sevens team training session ahead of the 2016 Summer Olympics in Rio de Janeiro, Brazil, Wednesday, Aug. 3, 2016. (AP Photo/Martin Meissner)