Full interview: Former NFLPA head DeMaurice Smith on his new book "Turf Wars"

Major Garrett interviews DeMaurice Smith, the former executive director of the NFL Players Association, about his book, "Turf Wars: The Fight for the Soul of America's Game." In the book, Smith describes the NFL as an oligarchy and reveals how it reacted to important moments like Colin Kaepernick's choice to kneel during the national anthem in protest of police brutality.