When 13-year-old Bert Jacobson sent his mother a postcard from a stop in Pennsylvania on a road trip in 1967, he fully expected it to reach its destination, a P.O. Box near the family home’s in Oklahoma. And this week, it finally did. After 46 years, Jacobson's mother received the card. When asked where the postcard had been all these years—and why it took almost four decades to deliver a simple postcard—a postal worker who would only be referred to as “Mr. N” maniacally retorted, “It must of have gotten …. lost in the mail!” …