legislation_cosponsors: 112-hconres-25, B000213

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-hconres-25	B000213	Rep. Barton, Joe [R-TX-6]	R	TX	2011-03-11	0