His face has appeared on T-shirts, postage stamps, jigsaw puzzles, posters, and an Andy Warhol print. A celebrity and a tourist attraction who attended three World's Fairs and rode in President Theodore Roosevelt's inaugural parade, he is a character in such classic westerns as Stagecoach and Broken Arrow . His name was used in the daring military operation that killed Osama bin Laden in 2011, and rumors about the location of his skull at a Yale University...