legislation_cosponsors: 112-hr-4264, S001187

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-4264	S001187	Rep. Stivers, Steve [R-OH-15]	R	OH	2012-06-19	0