legislation_cosponsors: 118-s-2053, B001320

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
118-s-2053	B001320	Sen. Butler, Laphonza R. [D-CA]	D	CA	2023-12-12	0