bill_id,bioguide_id,full_name,party,state,sponsorship_date,is_original_cosponsor
114-s-520,F000062,"Sen. Feinstein, Dianne [D-CA]",D,CA,2015-10-27,0
114-s-520,C001088,"Sen. Coons, Christopher A. [D-DE]",D,DE,2015-10-07,0
114-s-520,N000032,"Sen. Nelson, Bill [D-FL]",D,FL,2015-09-10,0
114-s-520,M000702,"Sen. Mikulski, Barbara A. [D-MD]",D,MD,2015-09-08,0