legislation_cosponsors: 101-s-2859, B000647

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-s-2859	B000647	Sen. Boschwitz, Rudy [R-MN]	R	MN	1990-07-17	1