bill_id,bioguide_id,full_name,party,state,sponsorship_date,is_original_cosponsor
116-s-4382,W000817,"Sen. Warren, Elizabeth [D-MA]",D,MA,2020-12-15,0
116-s-4382,V000128,"Sen. Van Hollen, Chris [D-MD]",D,MD,2020-07-30,1
116-s-4382,B001288,"Sen. Booker, Cory A. [D-NJ]",D,NJ,2020-07-30,1