AdvertisementWhat Is The Filibuster — And Why Do Some Democrats Want To End It?September 13, 2019Domenico MontanaroBrett NeelyfacebookEmailIn Houston on Thursday, Democratic presidential hopefuls Mayor Pete Buttigieg, Sen. Bernie Sanders, former Vice President Joe Biden and Sen. Elizabeth Warren participate in the third Democratic primary debate of the 2020 presidential campaign season. (AFP/Getty Images)