legislation_cosponsors: 110-hr-4157, T000260

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-4157	T000260	Rep. Tiahrt, Todd [R-KS-4]	R	KS	2008-03-05	0