The Senate parliamentarian has ruled that the fiscal trigger, which was important in winning deficit-wary Sen. Bob Corker's support, will not work under the rules of the Senate.

The Senate parliamentarian has ruled that the fiscal trigger, which was important in winning deficit-wary Sen. Bob Corker's support, will not work under the rules of the Senate. https://t.co/KZsST81fS3

— Jon Cooper (@joncoopertweets) November 30, 2017