Read previewTammy Murphy, a leading Democratic candidate for Senate in New Jersey, is endorsing the removal of the Senate's "filibuster" rule. Under Senate "filibuster" rules, 60 votes are required to advance most legislation. This story is available exclusively to Business Insider subscribers. His campaign did not respond to a request for comment on Tuesday about whether he supports removing the filibuster. AdvertisementIn 2021 and 2022, Democratic opposition to the came to a fiery head, with Democratic Sen. Joe Manchin of West Virginia and then-Democratic Sen. Kyrsten Sinema of Arizona staunchly opposing changes to the rule.

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