A classic Tuscan bread salad with an extra side of green. Italian grandmas have been making panzanella, or bread salad, for centuries. But cannabis has been cultivated across Tuscany even longer. Ancient Romans cultivated cannabis plants as early as the 1st century AD, and author and naturalist Pliny the Elder wrote about using cannabis plants for various culinary and medical uses in his scientific encyclopedia of the world, The Natural History. So, it’s probable that…