The big changes came in the early 70s, the late 80s, and then in the late aughts after Republicans lost the Senate in the 2006 elections. When you add up all the red segments, they represent virtually the entire increase in the use of the filibuster over the past half century.
Originally Posted by cutthemdown
Thats the way Dems did it when Repubs had a majority.
Notice the large dips in the blue prior to 2006?