Estonia flags on the shoreline of the Baltic Sea view in Tallinn, Estonia, on Thursday, Feb. 1, 2024.
Caption

Estonia flags on the shoreline of the Baltic Sea view in Tallinn, Estonia, on Thursday, Feb. 1, 2024. / Peter Kollanyi/Bloomberg via Getty Images

European countries that border Russia are concerned that they'll be invaded next if an emboldened Russia is successful in Ukraine, even though they're members of the NATO alliance. We go to the Baltic nation of Estonia and hear from people who are making preparations in case of invasion.