The owners of Chao Vietnamese Street Food will celebrate 10 years this fall, and it’s all because college friends - one born and raised in Mexico and the other born and raised in Vietnam - put their skills and heads together to create the popular restaurant. Dr. Huong Vu visits Vietnam every year, working with a nonprofit team of dentists and hygienists to help the people with their dental needs. It’s her home and she loves giving back, but living in the U.S.,...