The green onion, a beloved vegetable among South Koreans, has unexpectedly become the latest political weapon for opposition parties to attack President Yoon Suk Yeol and the ruling party. It all started with Yoon's visit to a hypermarket in southern Seoul on March 18, just before he rolled out measures to tame food prices in the country. There, Yoon noticed that a bundle of green onions weighing 1 kilogram was ...