Just before the annual Tuscan en primeur tastings (on which I will report in detail later this week) last February, I met up with Kerin O'Keefe in Florence. She reports on Italian wines for both Decanter and The World of Fine Wine magazines, while last year she published her second book, Brunello di Montalcino – Understanding and Appreciating One of Italy's Greatest Wines. In her book (shortlisted for the André Simon 2012 awards and reviewed here by Paul Doherty), she describes a system of subzones in order to get a clearer picture of the diverse Montalcino terroirs, and the different...