legislation_cosponsors: 112-hres-36, B001270

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-36	B001270	Rep. Bass, Karen [D-CA-33]	D	CA	2011-01-18	0