Last week, Russia launched its 14th attack on Ukraine’s energy grid. Scott Pelley reports from Ukraine – on how the population is surviving these assaults and living without light, heat and water. As the war touches every Ukrainian home with blackouts across the country, its people remain resilient, defiant, and united. Following the invasion of Ukraine, Finland, which shares a border with Russia, announced it would apply for NATO membership - ending seven decades of Finnish military neutrality. Sharyn Alfonsi profiles the Prime Minister of Finland, Sanna Marin, who called for her country to join the alliance, at the prime minister’s official residence in Helsinki. The achievements of historically significant Black Americans are at risk of going unpreserved, as important figures die without documenting their stories for future generations. Bill Whitaker explores how one organization is trying to prevent that by creating an expansive digital archive of first-person accounts of the Black experience.