legislation_cosponsors: 110-hr-6898, M000404

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-6898	M000404	Rep. McDermott, Jim [D-WA-7]	D	WA	2008-09-15	1