legislation_cosponsors: 119-sres-80, L000571

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-80	L000571	Sen. Lummis, Cynthia M. [R-WY]	R	WY	2025-02-13	1