The Baltic nation of Estonia knows a little about what Russia is like.
One of Russia's closest neighbours, they were part of the Soviet Union until gaining independence in 1991. But is its independence being threatened?
Geraldine Doogue and Hamish Macdonald speak to the Minister about Putin's "master plan" and his message for Australia's leaders.
Guest: Estonia's Minister for Foreign Affairs, Margus Tsahkna
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Global Roaming with Geraldine Doogue and Hamish Macdonald