Across Baltic From Trump-Putin Summit, NATO Troops Train for Battle

Just across the Baltic Sea from Helsinki, where U.S. President Donald Trump and his Russian counterpart Vladimir Putin will meet for a much-anticipated summit Monday, Estonia is watching events unfold with growing alarm. The country was once a Soviet Republic, but now hosts NATO forces aimed at deterring any Russian incursions. As Henry Ridgwell reports, Moscow's annexation of Crimea and other actions against Ukraine have left front-line Baltic states nervous of any rapprochement with Russia.