legislation_cosponsors: 113-s-2384, M000303

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
113-s-2384	M000303	Sen. McCain, John [R-AZ]	R	AZ	2014-05-22	1