legislation_cosponsors: 119-sres-103, B001267

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
119-sres-103	B001267	Sen. Bennet, Michael F. [D-CO]	D	CO	2025-02-27	1