biden met face to face with poland's president duda during which he reiterated america's commitment to its european partners and called article five of nato, quote, sacred. unity has been president biden's core message as he spent the week meeting with world leaders to fortify america's alliances as the world faces this extraordinary challenge. ukrainian president volodymyr zelenskyy who spent the past month lentlessly advocating for his country's needs while remaining in the capital see it of kyiv addressed those world leaders on thursday. what results from this trip has a chance of affecting the outcome of this war. while a number of european countries have remained reluctant about imposing energy sanctions against russia, the u.s. announced yesterday that it's going to work to supply the eu with natural gas which is a step toward becoming less dependent on russia for energy supply. i'm going to talk more about that later this hour. amid the stories and images of total horror and destruction in ukraine, there are signs that russian forces continue to be stymied by staunch ukrainian