New Superfoods: Kakadu Plums and Cockroach Milk

Can I claim to be psychic? I predicted this. In a previous column, “Superfood Silliness,” I wrote: “At frequent intervals, yet another entrepreneur identifies yet another unfamiliar tropical fruit that can be imported and sold to gullible health nuts at exorbitant prices. I wonder what the next fad will be.” I didn’t have to wonder