legislation_cosponsors: 112-hres-716, F000451

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-hres-716	F000451	Rep. Fitzpatrick, Michael G. [R-PA-8]	R	PA	2012-06-28	1