legislation_cosponsors: 113-hr-2902, L000559

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-hr-2902	L000559	Rep. Langevin, James R. [D-RI-2]	D	RI	2014-07-11	0