How a Sheep-Herding Cardiologist Spends His Sundays
Five mornings a week, Dr. David Slotwiner, the chief of cardiology at NewYork-Presbyterian Queens hospital, can be found tending to human hearts. But on Sunday mornings, he is on a grass-covered field at a rural farm in Hackettstown, N.J., standing among half a dozen sheep, whistle in hand, teaching his Border collies Cosmo and Luna…