The Russian leader thanked Kazakh President Kassym-Jomart Tokayev for the invitation to the republic ASTANA, May 28. /TASS/. Cooperation between Russia and Kazakhstan in various international associations serves as an example of constructive interaction on the international scene, Russian President Vladimir Putin said during negotiations in Kazakhstan involving an expanded group of delegation members. "Our joint work in the EAEU, the Collective Security Treaty Organization, the CIS, the