The head of the U.N.'s atomic watchdog agency is warning of a potentially dangerous situation following a drone strike on one of six nuclear reactors at the Russian-controlled Zaporizhzhia Nuclear Power Plant in Ukraine. President Volodymyr Zelenskyy warns Ukraine could run out of air defense missiles if Russia keeps up its intense long-range-bombing campaign. While NATO members vow to support Kyiv, U.S. aid is still in limbo. The story of an American who joined Ukraine’s military efforts following Russia’s invasion and how a Ukrainian woman stepped into her husband’s job as a blacksmith after he joined his country’s armed forces.