As a boy, I would often accompany my veterinarian-father on farm calls. Farmers would often ask if I wanted to be a veterinarian when I grew up, but I rarely had a chance to answer before my father would intercept: “He doesn’t want to be a veterinarian — he says they work too hard. He wants to be a farmer!” This would bring on a lecture about the toils of a farmer’s life. Dad would ke...