Kazakhstan is treading delicately as it strives to keep two feuding neighbors happy amid a row over Russia’s accidental shoot-down of an Azerbaijani civilian airliner, which crashed outside the Kazakh city of Aktau. Kazakh officials have little to gain and a lot to lose as they oversee the crash investigation. Relations between Azerbaijan and Russia remain fraught as Azerbaijani officials await the results of the official crash investigation. Kazakhstan’s vice minister of transportation, Talgat Lastayev, announced December 30 that preliminary…