Son of Brazilian basketball star is Rio Olympics hopeful in dressage . Joao Victor Marcari Oliva , 18 , heads next generation of Brazilian riders . Eventing superstar Mark Todd is coaching Brazil team for home Rio Games . TL;DR so I had some experience of that . The U.S. Olympic Committee has named a new president and chief executive officer to replace outgoing CEO Scott Blackmun.
Son of Brazilian basketball star is Rio Olympics hopeful in dressage . Joao Victor Marcari Oliva , 18 , heads next generation of Brazilian riders . Eventing superstar Mark Todd is coaching Brazil team for home Rio Games . TL;DR The U.S. Olympic Committee has named a new president and chief executive officer to replace outgoing CEO Scott Blackmun.