Is it time to get rid of the filibuster?

Democrats hold a legislative trifecta — majorities in both houses of Congress, plus the presidency — for the first time since the beginning of the Obama administration. In theory, a unified Democratic caucus should be able to pass whatever it wants and Republicans would be powerless to stop them.

But there’s one procedural tool that the GOP could use to prevent many of those plans from becoming law: the Senate filibuster. The filibuster allows any individual senator to block a bill from reaching a final up-or-down vote unless three-fifths of...