legislation_cosponsors: 100-hconres-258, K000016

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
100-hconres-258	K000016	Rep. Kasich, John R. [R-OH-12]	R	OH	1988-07-14	0