legislation_cosponsors: 116-sconres-15, C001095

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
116-sconres-15	C001095	Sen. Cotton, Tom [R-AR]	R	AR	2019-05-01	1