Heathrow Airport in London has been shut down on occasion by nearby drone activity. Since Heathrow is one of the busiest airports in the world, that isn’t a small matter. According to New York Governor Kathy Hochul in a statement issued last Saturday, drone activity shut down New York’s Stewart Airport for about an hour on Friday. The reason for such a shut-down, of course, is that drones near runways can collide with airplanes and cause fatal crashes. The governor was not amused. Meanwhile, a drone has crashed into a back yard in New Jersey. For some reason, however, photographs ...