legislation_cosponsors: 110-hconres-267, S000250

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-hconres-267	S000250	Rep. Sessions, Pete [R-TX-32]	R	TX	2008-02-07	0