legislation_cosponsors: 112-hr-6446, G000567

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
112-hr-6446	G000567	Rep. Griffin, Tim [R-AR-2]	R	AR	2012-12-18	0