In a narrow three-story building in San Francisco's Chinatown in the 1970s a restaurant called "Sam Wo's" attracted customers from around the world. Their claim to fame: an ill-mannered Chinese waiter named "Edsel Ford Fong." He would insult all the customers and even refuse to serve people he didn't like. He spoke only Chinese when swearing at customers, and would sometimes use "Pidgin English" when communicating his rules. One of them was "No Knife;...