Wine of the Week

Sangiovese is the primary grape of Tuscany, of singular important to three regions: In the typically blended Chianti, though 100 percent sangiovese is allowed (with Chianti Classico and Chianti Classico Riserva); in Brunello di Montalcino, where it is the only grape authorized, though many producers would like to change that regulation; and in Vino Nobi…