Democrats are more motivated than ever to repeal the Senate filibuster in order to help Joe Biden enact his legislative agenda over Republican opposition.

The idea of ending the upper chamber’s procedural tool for obstruction has gained heavyweight support recently, including from former President Barack Obama and liberal Vermont Sen. Bernie Sanders. Biden’s new running mate, California Sen. Kamala Harris, said during her run for the White House that she, too, favors undoing senators’ ability to filibuster legislation.

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