Mostly Schiff, also Pelosi, are providing cover fire for the coup plotters in the FBI, DOJ, and the CIA, and for the ongoing Operation Mockingbird, probably rebranded internally.
They cover their own “conspiracy theories” by calling it accusations of “collusion”.
This is a cover operation for the four Congressmen who went to Ukraine to pressure the foreign government to give them something to use against the elected president.
They are actually using foreign policy, a constitutional presidential prerogative, to overthrow the president.