Have any of these disinfo campaigns targeted Republican candidates?
Have you heard of RussiaGate or about the Steele dossier?
Neither of those were disinfo campaigns
That is exactly what they were. You don't understand what a 'disinfo campaign' is then.
""Although the voice in the robocall sounds like the voice of President Biden, this message appears to be artificially generated based on initial indications," the attorney generals office said in a statement."
So it has started. (There was a comparable case down here today, although unrelated to politics.)