Chicagoans, renowned for our worship of the all beef frankfurter, understand that ketchup is popular with children because they like sweet stuff. But if you are over 18, never, ever allow ketchup anywhere near a proper hot dog in Chicago.
In a country that cut its ties to the British monarchy 234 years ago, it's fitting that a food as unpretentious as the hot dog has inspired such drama and devotion. It's worth remembering some examples.
If you're planning a cookout for this most patriotic of days, here's an opportunity to celebrate the American dream. Because hot dog culture is American history.