Russia-US dialogue should not be taken as sensation -- Russia's top diplomat / Russia-US dialogue provides opportunity to find acceptable solutions -- Russian senator / Dmitriev discusses US-Russia dialogue with key members of Trump administration / Result not guaranteed in efforts to normalize relations with US -- senior Russian diplomat / Russia-US dialogue important for building safe world for all -- RDIF head / Russia-US dialogue opens opportunities for non-confrontational coexistence -- MFA / FACTBOX: Chronicle of Russia-US diplomatic standoff / Majority of world's countries welcome renewed Russia-US dialogue -- Lavrov / Russia-US relations need to be 'resuscitated' before they can be restored -- Kremlin