legislation_cosponsors: 116-sres-761, M000639

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
116-sres-761	M000639	Sen. Menendez, Robert [D-NJ]	D	NJ	2020-10-26	1