doubts today. about whether they could accomplish that invasion. >> as china, russia, united states reached a critical point in the ukraine war. the cia says beijing's having second thoughts about potentially invading taiwan. and a significant -- from the head of fox move. rupert murdoch acknowledging the hosts on his network promoted election lies. what this means for the billion dollar lawsuit against fox news. ♪ ♪ ♪ we want to welcome our viewers here in the united states and around the. world i'm wolf blitzer and this is a special edition of the situation room. tonight, major new questions right at the center of a deadly coronavirus pandemic. that may change so many lives. where did covid-19 come from? the white house weighing in the same thing on the u.s. energy departments assessment. that the lethal virus most likely came from a lab leak in china. emphasis on the caveat here. cnn sources tell us that the assessment comes with quote, low confidence. tonight they say within the united --