legislation_cosponsors: 110-hconres-421, S001154

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-421	S001154	Rep. Shuster, Bill [R-PA-9]	R	PA	2008-09-18	1