legislation_cosponsors: 112-hres-243, R000053

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-hres-243	R000053	Rep. Rangel, Charles B. [D-NY-15]	D	NY	2011-06-21	0