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♪ ♪ cluster bombs. as president biden heads overseas to shore up support for ukraine, he says the u.s. will send them a controversial weapon. >> it was a very difficult decision on my part. >> but is it the right one? >> i'll ask house foreign affairs committee michael mccall and the only house member who voted against the afghanistan war, democratic congresswoman barbara lee next. party of one. republicans set a date for the iowa caucuses where donald trump's rivals are trying to gain steam while he zeros in on his closest opponent. >> he's got no personality. >> does ron desa...

Look only at president biden, and he knows that this depends on him. it will be his decision. >> do you think president biden should support an expedited process for ukraine to join nato? >> i think it should be incremental, jake. first, they have to win the counteroffensive and secondly have a cease-fire and then negotiate a peace settlement. we cannot admit ukraine into nato immediately. that would put us at war with russia under article 5 of the united nations. i think what the conversation will be about is what security agreements can be put in place with ukraine as a predicate to, perhaps...