legislation_cosponsors: 108-hr-4263, M001154

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
108-hr-4263	M001154	Rep. Miller, Brad [D-NC-13]	D	NC	2004-05-13	0