legislation_cosponsors: 110-hconres-357, R000570

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-357	R000570	Rep. Ryan, Paul [R-WI-1]	R	WI	2008-06-04	0