Long Before Kaepernick, There Was Navratilova. Navratilova, Martina, Macur, Juliet, Homosexuality and Bisexuality, Human Rights and Human Rights Violations, Tennis, Police Brutality, Misconduct and Shootings, Kaepernick, Colin, Ginsburg, Ruth Bader, Demonstrations, Protests and Riots, Football, San Francisco 49ers, Blacks, Black People