Johnny Cash used his music to speak up for Native Americans

Johnny Cash is one of the most popular country singers in American history. A slew of hits in the early 1950s launched him into chart-topping success. By the 1960s, Cash used his music to address the inequities and mistreatment of Native Americans.

Colorado Public Radio's Vic Vela reports.

Correction: The original version of this story misstated Bruce Abrams' name. We regret the error.