legislation_cosponsors: 112-hr-6591, B001227

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-6591	B001227	Rep. Brady, Robert A. [D-PA-1]	D	PA	2012-11-15	1