Tylenol once survived a poisoning scandal. Now it has to survive President Donald Trump. Kenvue, the company behind the household brand, at least has a playbook to turn to for guidance. That's because Tylenol's original owner, Johnson & Johnson, developed it decades ago after seven people in the Chicago area died from taking its capsules because someone had laced them with potassium cyanide. The 1982 unsolved mystery became known as the "Tylenol murders."J&J's handling of the incident not only saved the br ...