legislation_cosponsors: 110-hr-7112, S000030

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
110-hr-7112	S000030	Rep. Sanchez, Loretta [D-CA-47]	D	CA	2008-09-26	1