
By Zack Beauchamp — The question of what to do about the filibuster — the once-arcane Senate rule that creates a de facto 60-vote threshold for major legislation — is arguably the most important topic in Washington, DC, right now. It is the thing blocking Senate Democrats from approving President Joe Biden’s sweeping policy agenda on party lines; as such, it has become a subject of fierce partisan (and intraparty) dispute. Most…