How can crappy Dr. Scholl’s cost more than My Beloved Birkies?

More than 40 years ago, I had an affair with a guy named Dr. Scholl. He'd come up with this exercise sandal that was a wooden knockoff of the original Birkenstock model, the Madrid, fashioned from cork and leather. A cheap alternative. We were inseparable through two summers of clomping and flopping up the stairs, one the …