legislation_cosponsors: 112-hr-5873, G000563

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
112-hr-5873	G000563	Rep. Gibbs, Bob [R-OH-18]	R	OH	2012-06-01	0