legislation_cosponsors: 113-hr-2, C001075

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
113-hr-2	C001075	Rep. Cassidy, Bill [R-LA-6]	R	LA	2014-09-15	1