legislation_cosponsors: 112-s-2366, J000291

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-s-2366	J000291	Sen. Johanns, Mike [R-NE]	R	NE	2012-04-25	1