The two leaders earlier held talks in a narrow format attended by a limited number of advisers and ministers ASTANA, May 28. /TASS/. Russian President Vladimir Putin and Kazakh President Kassym-Jomart Tokayev continued Russia-Kazakhstan talks, now joined by delegations from both countries, a TASS correspondent reported. Earlier, the two leaders held talks in a narrow format attended by a limited number of advisers and ministers. Such a format makes it possible to outline the key issues for