Robert Downey Jr. remembers his lowest moment: "Burger King saved my life."

There was a time when Robert Downey Jr. seemed destined to reign in Hollywood. Son of a cult filmmaker and with an overwhelming natural talent, he debuted young, shone soon and became nominated for the Oscar before he turned 30. He had the charisma, intensity and surname to eat the world. But, as so often happens in the film industry, the top was just the beginning of a dizzying downhill. For years, Downey Jr. chained filmings with judgments, su…

Fast food chains like McDonald's or Burger King have to shake. Does the competition now stop at Germany?