News What is the filibuster? A look at the Senate’s consequential quirk and debate on its future March 20, 2021March 21, 2021Matthew Brown, USA TODAYComments Off on What is the filibuster? A look at the Senate’s consequential quirk and debate on its future The filibuster was created by accident. It can stop legislation in its tracks. Changing – or ending – it is among Capitol Hill's biggest debates.