legislation_cosponsors: 119-hr-1061, S001225

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-hr-1061	S001225	Rep. Sorensen, Eric [D-IL-17]	D	IL	2026-02-20	0