legislation_cosponsors: 105-s-1480, S000888

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
105-s-1480	S000888	Sen. Stevens, Ted [R-AK]	R	AK	1998-07-09	0