Estonia, a NATO member of just 1.3 million people, sits on Russia's border and has spent decades preparing for the possibility of conflict with Moscow. As Russia's war against Ukraine continues, questions remain about what could happen if the Kremlin turns its attention elsewhere. The Kyiv Independent's Martin Fornusek travels across Estonia, from the streets of Tallinn to military exercises near the Russian border, to see how the Baltic country is preparing for potential threats. From drone