bill_id,bioguide_id,full_name,party,state,sponsorship_date,is_original_cosponsor
112-s-3261,U000038,"Sen. Udall, Mark [D-CO]",D,CO,2012-06-06,0
112-s-3261,T000464,"Sen. Tester, Jon [D-MT]",D,MT,2012-06-06,0
112-s-3261,F000062,"Sen. Feinstein, Dianne [D-CA]",D,CA,2012-06-06,0
112-s-3261,B000468,"Sen. Bingaman, Jeff [D-NM]",D,NM,2012-06-04,1