The oil magnate and founder of one of Argentina’s richest families sits down for an interview about his burgeoning wine empire and opens up about his dream to launch Patagonia’s first ice wine. It was twilight when Alejandro Pedro Bulgheroni first saw a 2,200-hectare property for sale in rural Garzón, just north of Uruguayan resort Punta del Este, where he has a beach house. The peaceful green hills reminded him of Tuscany. “The place had magic,” he says. “I had to have it.” He bought…