legislation_cosponsors: 108-sconres-23, L000447

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
108-sconres-23	L000447	Sen. Lott, Trent [R-MS]	R	MS	2003-03-20	1