“Inside Out 2,” the sequel to the 2015 hit animation on a charming, intelligent journey through the emotions of adolescence, adds four new feelings to mix: anxiety, envy, ennui and embarrassment. Kelsey Mann, director of the film, and Mark Nielsen, a producer on “Inside Out 2,” joined a press conference following footage to introduce the new characters and messages of the upcoming movie. The event was held on the sidelines of the 25th Jeonju International Film Festival in Jeonju, North Jeolla Province, Thursday. “When we wanted to add new emotions, we had this whole list of all kinds of emotions,...