The crisis in Ukraine has put the spotlight on the relationship between Russia and the EU. How much carrot and how much stick should the EU wield when it comes to dealing with Moscow? The Baltic States, Latvia, Lithuania and Estonia were once part of the Soviet Union and all share a border with the Russian Federation. HARDtalk speaks to Urmas Paet, foreign minister of Estonia. Why does Estonia think that getting tough with president Putin is the most effective way to contain Russia?