legislation_cosponsors: 98-sjres-58, E000004

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
98-sjres-58	E000004	Sen. Eagleton, Thomas F. [D-MO]	D	MO	1983-03-15	0