Among the world's many challenges being discussed at the UN General Assembly is the increasingly dire threat posed by Vladimir Putin's Russia. The countries most at risk from Putin's posturing are the Baltic states - Latvia, Lithuania, and Estonia. Estonia's Foreign Minister Margus Tsahkna joins Christiane to discuss how Western leaders can navigate this moment.  Also on today's show: Tom Fletcher, UN Under-Secretary-General for Humanitarian Affairs; Ivan Krastev, Chairman, Centre for Liberal Strategies  Learn more about your ad choices. Visit podcastchoices.com/adchoices