Have you seen that question going around social media — asking who should be on the Mount Rushmore of your state?

It’s a fun thought exercise.

Minnesotans tossed out the names you’d expect. Bob Dylan and Prince led the pack. But a few names surprised me. I consider myself reasonably pop-culture savvy, but I didn’t know football great John Madden was born in Minnesota. Turns out he moved away from Austin as a child, so in my book, he’s more of a Minnesota cameo than a carving candidate.

But two other names who were actually born and bred in Minnesota really caught me off guard — actor brothers James Arness and Peter Graves.

If you’re under 40, you might need a little ‘splainin, as Ricky used to say to Lucy. But if you grew up in the ‘60s or ‘70s, you saw these two guys on a regular ba

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