In February, the price of a single apple in Korea hit $7 (£5.5), albeit at a fancy department store. Fruit is notoriously expensive here, but for voters, who have been struggling with punishing grocery price rises, this crossed a line. In a botched attempt to address their concerns, President Yoon Suk Yeol visited a food market and marvelled at how "reasonably priced" the spring onions were. The market in question was in fact heavily subsidised. Online outrage and mockery ensued. "The president is going to be brought down by a spring onion," the leader of one of the opposition parties exclaimed. But the price of food is just one in a long list of reasons why President Yoon's conservative party has lost South Korea's parliamentary elections, which were regarded as a vote of confidence on his first two years in office. Mr Yoon has always been unpopular. Since being elected by the narrowest share of the vote in South Korean history - 0.7% - his approval ra...