legislation_cosponsors: 110-hconres-417, M001159

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-417	M001159	Rep. McMorris Rodgers, Cathy [R-WA-5]	R	WA	2008-09-16	1