Independently, other mutations for lactose tolerance arose in Africa and the Middle East. I can’t eat that—I’m lactose intolerant,’ ” he says, “you can tell them to shut up and eat the Parmigiano.”. David Round, a law lecturer at Canterbury University and this week’s NZCPR Guest Commentator – with a speech he delivered at the University’s commemoration of the 800th anniversary of the Magna Carta – is no stranger to…