It’s been downright thrilling to see the Twilight stars’ careers loosen up and expand after their stints in the culturally all-encompassing YA adaptations. Robert Pattinson is in every arthouse genre picture, Kristen Stewart looks badass in the new Charlie’s Angels, and Justin Chon (who played nerdy Eric Yorkie in the Twilight films) is fast becoming an acclaimed writer/director/actor. Chon’s first three directed feature films — Man Up, Gook, and Ms. Purple — have all played to ecstatic reviews, and show the types of stories we don’t see in Hollywood enough. Now, Chon’s ready for …