It's 2am, Hanoi. Humidity, 93%. The kind of conditions ideal for countering the gluttony of the festive season, but the cuisine here won’t allow such fanciful notions. Street food occupies literally every kerb and property frontage in Vietnam’s capital. Stepping out amongst the swarms of Vespas and other lesser mopeds, which have far less style & appeal, traversing down the main arteries of this bustling city is a life skill the locals have mastered long ago. Ironically kerb-