legislation_cosponsors: 110-hconres-267, D000599

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-hconres-267	D000599	Rep. Davis, Lincoln [D-TN-4]	D	TN	2007-12-12	0