bill_id,bioguide_id,full_name,party,state,sponsorship_date,is_original_cosponsor
112-s-581,K000360,"Sen. Kirk, Mark Steven [R-IL]",R,IL,2012-07-19,0
112-s-581,B001267,"Sen. Bennet, Michael F. [D-CO]",D,CO,2011-12-06,0
112-s-581,R000307,"Sen. Roberts, Pat [R-KS]",R,KS,2011-11-10,0
112-s-581,B001265,"Sen. Begich, Mark [D-AK]",D,AK,2011-10-12,0
112-s-581,H001061,"Sen. Hoeven, John [R-ND]",R,ND,2011-10-12,0
112-s-581,R000595,"Sen. Rubio, Marco [R-FL]",R,FL,2011-06-30,0
112-s-581,M000702,"Sen. Mikulski, Barbara A. [D-MD]",D,MD,2011-06-09,0
112-s-581,B000944,"Sen. Brown, Sherrod [D-OH]",D,OH,2011-05-04,0
112-s-581,E000285,"Sen. Enzi, Michael B. [R-WY]",R,WY,2011-03-15,1