Hospitality Has its Rewards “Can I visit you in May and bring a friend?” our Chinese daughter Weixuan asked in a text message. Sarah’s junior year, Weixuan lived with us when she attended the school I worked at as part of their foreign exchange program. That year we also opened our home to Jeanne, a young lady from France. I loved listening to the three girls study math together—it sounded like an exchange at the United Nations. In the years…