The yoga teachers do and they may just be the shepherds that can help lead them out of the darkness. Here’s how.. LTC Dave Grossman’s Sheepdog philosophy has become a mainstay in modern military and first responder culture. According to his book On Combat there are three kinds of people, Sheep, the kind, innocent people that do not have a propensity to hurt others. Wolves, the type of person that wishes to do harm to the flock, and Sheepdogs, who are willing to do whatever i