legislation_cosponsors: 102-sres-280, M000678

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
102-sres-280	M000678	Sen. Metzenbaum, Howard M. [D-OH]	D	OH	1992-05-20	0