legislation_cosponsors: 110-hr-6445, S001158

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
110-hr-6445	S001158	Rep. Salazar, John T. [D-CO-3]	D	CO	2008-07-14	0