Kim Jong Un’s younger sister made her first public appearance since she was reportedly passed over as his heir in favor of her teenage niece while at a ceremony where the North Korean dictator gave his snubbed sibling a consolatory promotion. Kim Yo Jong, 38, joined her brother during the week-long Ninth Congress of the ruling Workers’ Party in Pyongyang, where she was named a full department director, state media Korean Central News Agency reported. Yo Jong, who has served as a deputy