Support WBURBiden Endorses Reforming The Senate Filibuster. Here's What That MeansDomenico MontanaroMarch 18, 2021 ShareSeen on a TV in the Senate Press Gallery, Sen. Ted Cruz, R-Texas, speaks during the seventh hour of his 2013 filibuster in opposition to the Affordable Care Act. President Biden is advocating for a so-called talking filibuster. (AP)