But there is no evidence of "momentum" following the hearing. Kavanaugh's performance was designed to please Trump and he liked it. That doesn't mean anything.
Murkowski, Collins, Flake and others have not announced their vote.
The reason is that what happens now could have an impact on the votes of key Senators.
He's is trying to discourage the opposition.
Among the possibilities is them voting for Kavanaugh. But there are other possibilities.