I am sure you have seen a gaggle of geese flying in a “V” formation. The lead goose creates an “aerodynamic draft” for the other geese in the flight enabling them to fly farther. He expends his energy fighting headwinds to create the draft while the other geese in the flight honk, encouraging the lead goose along their journey. From time to time the lead goose will fall back into the “V” and honk to encourage another goose taking the lead position. …