Winemaking in France is believed to date back at least 2,600 years to the ­founding of Massilia, the city now known as Marseille. So it’s logical to think that Cabernet Sauvignon, one of the most important wine grape varieties in France’s Bordeaux region and the world, would also have an equally impressive, ancient lineage. Because of its name (the French word sauvage means wild), some thought it was a wild Vitis vinifera vine native to France. It’s been rumored to be the Biturica grape used to make ancient Roman wine ­referenced by Pliny the Elder, perhaps because the grape was […]