by Cat BARTON Agence France-Presse Seoul, South Korea (AFP) — K-pop stars BTS drink it. It appears in K-dramas. Fans are so dedicated to consuming it year-round they’ve coined a new South Korean proverb: “Even if I freeze to death, iced Americano!” The humble coffee — shots of espresso served over ice, topped up with water — has become South Korea’s unofficial national drink, outselling its hot counterpart even during the depths of winter, Starbucks […]