legislation_cosponsors: 112-hres-452, S000344

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-452	S000344	Rep. Sherman, Brad [D-CA-27]	D	CA	2011-11-01	1