legislation_cosponsors: 101-hconres-129, W000258

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
101-hconres-129	W000258	Rep. Weiss, Ted [D-NY-17]	D	NY	1989-07-12	0