Pastor Victor Shepherd tells the story of a missionary surgeon he met who was rather gruff and to the point. On one occasion the surgeon was speaking to a small group of university students about his work in the Gaza Strip. He was telling us that we North American "fat cats" knew nothing about gratitude. Nothing! On one occasion he had stopped a peasant hovel to see a woman on whom he had performed surgery.  She and her husband were dirt poor. Their livestock supply consisted of one Angora rabbit and two chickens. For income the woman combed …