He got a major break Wednesday when Republican Sens. Mike Lee (Utah) and Rand Paul (Ky.) told reporters they’d back his effort. Since then, Kaine said, he has spoken with eight or nine more senators from the 53-member GOP caucus, with more meetings planned.

He needs 51 votes for the resolution to pass. A vote could come as soon as Tuesday. Kaine said he has agreed to remove references to President Trump from the resolution — it would, of course, apply to all presidents — and to make other technical changes.