Major chains agree to halve default sweetness, but street vendors and cafes remain outside sugar tax rulesA crowd of customers, holding phones aloft, watch intently as Auntie Nid mixes up her bestseller: an iced Thai tea.Condensed milk is poured into a glass, followed by three heaped tablespoons of sugar, and then freshly strained tea. The end product – a deep orange, creamy treat – is poured into a plastic bag filled with ice. Continue reading...