a rare spring nor easter on track to hit the northeast. how much snow will it bring? the supply chain shutdown the extreme shutdown in shanghai halting the flow of goods. why experts say it could be worse than before the secrets of notre dame ancient artifacts found underneath the paris cathedral. the plans to open this mysterious sarcophagus. and on this eefrlt easter, a tradition brought here from ukraine eggs lik you ve never seen before this is nbc nightly news with kate snow. good evening, i m gadi schwart in for kate snow on this easter sunday pope francis held his first mass back at saint peter s square this morning while it was a celebration, it was also a warning the pope condemning what he calls an easter of war amid russia s attack on ukraine. russia today showing no signs of letting up launching new air strikes against kyiv and other cities they also delivered an ultimatum to the battered city of mariupol surrender or else.