Nut butter city limits

THIS WEEK: Peanut butter, wasps

THING: Peanut butter

Nuts are a contradictory foodstuff, aren’t they? They’re really good for you, and they can also kill some people stone dead. They’re full of fat and calories, and they’re also great for your heart. But what currently makes them more powerful than a jumbotron operator at a Coldplay gig is that they’re a source of protein, and these d…