成人快手

The decision not to indict a policeman who shot and killed an unarmed black teenager in Ferguson, Missouri, in August has been met with protests across the country. Many from the world of sport including LeBron James, Kobe Bryant and Serena Williams have all spoken out on this issue.

So Can today's stars have the same impact as Jackie Robinson or John Carlos? We spoke to Professor Louis Moore of Granvalley State University, a specailist in both African American and sporting history.

Photo: Protesters raise their hands in the air amid chants of 'hands up, don't shoot' as the Washington Wizards play a game at the Verizon Center (Credit: Michael Hernandez/Anadolu Agency/Getty Images)