legislation_cosponsors: 112-hr-6444, B001243

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-6444	B001243	Rep. Blackburn, Marsha [R-TN-7]	R	TN	2012-09-20	1