legislation_cosponsors: 119-s-1298, G000359

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-s-1298	G000359	Sen. Graham, Lindsey [R-SC]	R	SC	2025-05-15	0