The NFL has announced new penalties for players who protest during the national anthem — but it's not the first time athletes have been punished for their activism.
Watch how boxing champion Muhammad Ali won — and then lost — it all during one of the most turbulent periods for civil rights in the US.
Future History: 1968 is a new series that lets you witness one of the wildest years in history the way you witness the news now. Follow us on Facebook Watch for new episodes each week 🤳