Their testy exchange, where each accused the other of lying is here.
It would be helpful to watch the whole thing in order to cast an informed vote.
Basically, Rand Paul uses Fauci's own testimony, a paper from one of the Wuhan virologists stating that the research was being funded by NIH, and the NIH's own definition of "gain of function" to make the case that Fauci lied.
Fauci defended himself by saying that Dr. Paul does not know what he is talking about and he is the one who is lying (effectively, "nuh-uh").
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