‘Decades in Sports’: How Colin Kaepernick taking a knee in 2016 revived athlete activism in sports

By Emile Nuh, CNN (CNN) — Editor’s note: Watch CNN Original Series “Decades in Sports” on the CNN app. Across six episodes, the series explores the defining moments, athletes and cultural shifts that shaped sports over the past six decades, from the television revolution and Civil Rights Movement of the 1960s to the impact of