bill_id,bioguide_id,full_name,party,state,sponsorship_date,is_original_cosponsor
114-sres-142,C001070,"Sen. Casey, Robert P., Jr. [D-PA]",D,PA,2015-04-21,1
114-sres-142,M000702,"Sen. Mikulski, Barbara A. [D-MD]",D,MD,2015-04-21,1