The answer is that NEITHER whistleblower really had first hand information.
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If true, it’s not something we haven’t experienced before.
The strategy is to get the hearings no matter what it takes, like those who made accusations against Kavanaugh, and then hope that when the chips fall you can make hay.
The “whistleblowers” may be willing to sacrifice their reputations and their careers, but if the protections hold, then they don’t even risk that much.... but the reward is bagging the big elephant
And due to the Cowardly RINOs Ford is walking scott Free!