legislation_cosponsors: 105-s-2090, S000606

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-2090	S000606	Sen. Smith, Bob [R-NH]	R	NH	1998-05-18	1