legislation_cosponsors: 110-hr-2188, H001030

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-2188	H001030	Rep. Hill, Baron P. [D-IN-9]	D	IN	2008-05-13	0