NEW YORK (AP) — Min Jin Lee's first novel since her million-selling “Pachinko” is a long book that grew out of a basic question: What do Koreans care most about?“We’re obsessed with education, and it became my obsession over why Koreans care so much,” says Lee, whose “American Hagwon,” scheduled for Sept. 29, will likely be one of the year's most anticipated books. Hagwons are for-profit tutoring centers — sometimes likened to “cram schools” — where Koreans of all ages...