legislation_cosponsors: 112-hr-2256, H001047

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
112-hr-2256	H001047	Rep. Himes, James A. [D-CT-4]	D	CT	2011-09-15	0