CJ has always loved sending and receiving mail, so she’s issued a special challenge to Byways readers everywhere. When you mail her a postcard from your hometown, she’ll send back a postcard from the brothers. If your hometown doesn’t have their own postcards, one from your home state, nearby city, or local historical site is fine and dandy. [International readers can play along, too.]

1) For this to work, you’ll need to include a return address on your postcard.

2) If you tell CJ which brother...