legislation_cosponsors: 109-hr-856, S001143

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
109-hr-856	S001143	Rep. Souder, Mark E. [R-IN-3]	R	IN	2005-07-20	0