legislation_cosponsors: 110-hr-1473, E000289

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-1473	E000289	Rep. Ellsworth, Brad [D-IN-8]	D	IN	2007-10-22	0