legislation_cosponsors: 112-hr-3841, C001085

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-3841	C001085	Rep. Clarke, Hansen [D-MI-13]	D	MI	2012-01-31	1