In 1971, the Coca-Cola Corporation released one of the most iconic commercials of all time, featuring young people of all races and nationalities standing on a hillside singing about living together in harmony. Coca-Cola was on top of the world. Then, 14 years later, in the middle of the cutthroat '80s, the beverage powerhouse nearly blew itself up with a brash, ill-fated decision in the U.S.