This is similar to saying that the witnesses to a bank robbery have nothing of value to say unless it is made known who called the cops. The tipster’s identity is irrelevant if there is evidence of a crime.
The push to expose the Whistleblower was an attempt by Republicans to delegitimize the hearings. They knew that, realistically, the Whistleblower’s life would be in danger if his or her identity was made public, and for that reason, the Democrats would not force the Whistleblower to testify. By raising this as an issue, Republicans could make it appear that the Democrats were trying to hide some important piece of evidence that would vindicate the President.
For more info, visit Trump-Ukraine Central
– rob rünt
The Week In Trump 