Kim Jong-un, the leader of North Korea, introduced his daughter to the world in 2022. Since then, state media has shown Kim Ju-ae prominently next to her father. Choe Sang-Hun, the ​Seoul bureau chief for The New York Times, explains why officials and analysts in South Korea are paying close attention to the young woman whom they consider to be her father's most likely successor. Video by Choe Sang-Hun, Melanie Bencosme, Nailah Morgan, Stephanie Swart, Shawn Paik/The New York Times #NorthKorea #