bill_id,bioguide_id,full_name,party,state,sponsorship_date,is_original_cosponsor
112-s-2135,B001265,"Sen. Begich, Mark [D-AK]",D,AK,2012-03-19,0
112-s-2135,M000702,"Sen. Mikulski, Barbara A. [D-MD]",D,MD,2012-02-28,1