DARIUS KELLNER SPEAKS BETTER KLINGON THAN FARSI, and he knows more about Hobbit social cues than Persian ones. He's a Frac tional Persian-half his mom's side-and his first-ever trip to Iran is about to change his life. Darius has never really fit in at home, and he's sure things are going to be the same in Iran. His clinical depression doesn't exactly help matters, and trying to explain h…