legislation_cosponsors: 114-s-2812, V000127

Cosponsors for tracked legislation. Distinguishes original cosponsors (signed on at introduction) from later additions. Linked to congress_members via bioguide_id.

This data as json

bill_id	bioguide_id	full_name	party	state	sponsorship_date	is_original_cosponsor
114-s-2812	V000127	Sen. Vitter, David [R-LA]	R	LA	2016-04-18	1