The big winner in South Korea's election is the country's most controversial politician: opposition leader Lee Jae-myung, whose party is heading towards a landslide win, making the scandal-plagued liberal a real danger to beleaguered President Yoon Suk Yeol.
A former factory worker who played up his rags-to-riches tale to rise to the top of Korean politics, Lee lost the 2022 presidential election to arch-rival Yoon by the narrowest margin in the country's history -- but now he's back for revenge.
