A food lover learning balsamic’s tasty lineage. I visited one of the many countryside balsamic vinegar producers while in the UNESCO World Heritage Site of Modena, Italy. In Sorbara, I tasted lively and 10- to 50-year-old aged balsamic varietals while balsamic producer Guido Paltrinieri and his family of Acetaia Paltrinieri Balsamico exuberantly explained the traditional...