Sue Collins, who has been a nurse for 38 years and a hospice nurse for 28 years, wasn't at first called to nursing. In high school, it seemed like an easier course -- or maybe much more practical -- than a purely academic course. She discovered she was good at it. But when she was working in a hospital in Baltimore, she would occasionally see the nurses who worked on the 4th floor in the hospice ward in the cafeteria. "Something was different about them," she says now. "It was like they KNEW something that the rest of us didn't. They seemed more peaceful, calm. I wanted to know what was going