A group of my Vietnamese friends from the US headed by Duong Quang Chan, a businessman, arrived in Ha Noi this week to start a New Year trans-Viet Nam tour and to seek out a suitable place to open a restaurant in the country. “My friends and I are excited to be back in our homeland which we left almost 30 years ago,” he said. Waterfall: A corner of Ban Gioc Waterfall, in the northern province of Cao Bang’s Trung Khanh District,...