"It is no secret that the agreement on this was reached during their telephone conversation. The Foreign Ministry is now engaged in preparing this momentous event," Matvienko told reporters.
Putin and Trump could discuss a range of bilateral issues as well as areas where Moscow and Washington could find common ground, the senior Russian senator noted.
"The need to unfreeze relations between the US and Russia may become the subject of the conversation. I think there is a mindset toward a positive agenda," Matvienko added.
/Sputnik/
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