Trump's approach to security dialogue, contact with Russia inspire optimism -- CIS chief / Ukraine more important for Russia's security than Greenland for this of US -- Lavrov / Ukraine more important for Russia's security than Greenland for US -- Lavrov / IAEA to continues consultations with Moscow on safety and security of Zaporozhye NPP / Russian diplomatic missions in unfriendly countries need more security -- Kremlin / Russian defense ministry notes slain general's contribution into Russia's security / Russian security official calls for consolidated efforts to protect EAEU interests / Kazakhstan tightens security following Putin's threat / Putin orders to heighten security measures at strategic facilities in Zaporozhye Region / Marie Mendras, political scientist: 'Vladimir Putin has paid dearly for the return of his spies to Russia'