In April 2017, Senate Republicans eliminated the filibuster for the confirmation of Supreme Court Justices by changing the rules so that debate on nominees could be ended with a simple majority vote rather than a three-fifths majority (Reuters). Whether the filibuster will be further eroded remains to be seen (The Atlantic, Brookings Institute).

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NOTE 10 December 2021: Since an expansion of the scope of matters for which a filibuster cannot be used has taken the form of legislation, the question would only close once that legislation, passed by the Senate, becomes law.

The question closed "Yes" with a closing date of 10 December 2021.

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