legislation_cosponsors: 112-hr-3453, D000614

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-3453	D000614	Rep. Duffy, Sean P. [R-WI-7]	R	WI	2011-11-30	0