legislation_cosponsors: 103-sjres-99, C000077

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
103-sjres-99	C000077	Sen. Campbell, Ben Nighthorse [D-CO]	D	CO	1993-07-30	0