The goats come closer, like they are expecting to be fed. Instead Bruce McGlenn shoos the white-furred Kikos to the other end of a fenced enclosure. Seemingly disappointed, the quintet returns to munching weeds, oblivious to the hunting rifle slung over McGlenn’s shoulder. Moments before, the air had been filled with chatter as McGlenn’s eight new pupils met for the first time. Now he stands at the far end of the goat pen some 50 feet away and r…