legislation_cosponsors: 111-hr-6507, E000288

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
111-hr-6507	E000288	Rep. Ellison, Keith [D-MN-5]	D	MN	2010-12-08	1