legislation_cosponsors: 112-hr-4128, R000592

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-4128	R000592	Rep. Rokita, Todd [R-IN-4]	R	IN	2012-04-17	0