Reading Julie Leung’s manuscript for “The Truth About Dragons” for the first time, Hanna Cha found herself moved to tears. A few lines from the story -- “Inside your heart is where the two forests meet. Both journeys are yours to take. Both worlds are yours to discover” -- struck the Cha, 30, on a deeply personal level. This year, Cha became the first Korean American picture book writer-illustrator to receive the prestigious Caldecott Honor. “I actually cried