OLIVE BRANCH, Miss. - In her new historical novel, "Just Passing Through," author Margaret Tutor shares a story of changed lives and healed hearts. The story introduces readers to the Ward family, who traveled from cotton field to cotton field, living out of their covered wagon until they became sharecroppers in Dover, Ark., in 1926. There, they encountered Mrs. Cartwright and her children, who were left to fend for themselves...