After Puffingate, Ricker went underground and now, with the opening of e&o, I know what he has been up to. As is fashionable these days, the restaurant opened before it was finished, thus on the afternoon that I stepped in for lunch, a man wearing a pair of baggy jeans, a pencil behind his ear, a belt-mounted tape measure and a philosophical expression, was examining an area of plasterboard and bare metal, as if it might yield up the very deepest mysteries of the human condition.