legislation_cosponsors: 111-hconres-281, B001256

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
111-hconres-281	B001256	Rep. Bachmann, Michele [R-MN-6]	R	MN	2010-05-28	0