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I kind of liked it better when it was a secret.
The Springfield that exists in the mind of Matt Groening is a kind of American everything — hick pit stop, rosy-cheeked Rockwellian font of family values, cesspool of corruption, ethnic melting pot, b...
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Yeah, it doesn't seem as magical now knowing it's based off of a specific Springfield.
He didn't say that the Simpsons town IS Springfield, OR. He said that was his inspiration. If anyone asks him if it's Springfield, XX he will always say yes no matter what state.