Alexander Khloponin takes charge as the Caucasus gets a new boss, journalist's death in custody leads to high-level sacking, Kremlin deputy chief of staff inspires rage from US conservatives, oil and gas are used as political weapons as neighbours argue, schoolkids could be saying "Yes, sir" to retired military officers, one of the joys of English is the lack of any official regulation, a Chekhovian journey around central Moscow's theatres and museums, Davydenko hits the best form of his life and other news in this issue