[goldstategop]

Senate rules can be changed by a simple majority vote.

You’re thinking of legislation to clear a filibuster which only requires 60 votes.

[HighSierra5]

Exactly. They should end this coup tomorrow.

[House Atreides]

Senate rules can be changed by a simple majority vote.
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Yes, but only if they go the “nuclear option” route which, while possible, is rare.