Monday assorted links by Tyler Cowen March 11, 2019 at 11:50 am in 1. Drones as NZ sheep dogs. 2. Why is classical music paired with villainy? 3. “For centuries, senders used folds, slits, and wax seals to guard correspondence from prying eyes.” Early blockchain. 4. The evolution of baseball scouting. 5. Is Matthew Barney a genius? 6. Against the output gap.