legislation_cosponsors: 119-s-875, M001242

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-875	M001242	Sen. Moreno, Bernie [R-OH]	R	OH	2025-03-06	1