legislation_cosponsors: 100-sconres-21, 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
100-sconres-21	B000647	Sen. Boschwitz, Rudy [R-MN]	R	MN	1987-02-19	1