legislation_cosponsors: 115-s-2646, C001047

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
115-s-2646	C001047	Sen. Capito, Shelley Moore [R-WV]	R	WV	2018-04-11	1