HANOI – We are in Hanoi, sitting in Mrs. Vu’s kitchen. The table is weighed down with exotic delicacies, passion fruit, pineapple, slices of melon, litchis, dragon fruit, kumquats, grapefruit, heart-shaped pieces of watermelon and small, fat bananas. We’ve already made considerable inroads into the spread, as if we hadn’t eaten for days. Mrs. Vu, […]