The Georgian authorities have to totally clarify the circumstances of death of Zurab Zhvania, Effective Policy Foundation President Gleb Pavlovsky stated. "Reservations are extremely unpleasant here, these can lead to suspicion… Somehow poisoning became frequent in some revolutionary countries," Pavlovsky noted. In his words, a year after the changes, which are considered decisive, took place in Georgia a high level of internal instability is preserved there, which inevitably spreads on the whole of the Caucasian region.