bill_id,bioguide_id,full_name,party,state,sponsorship_date,is_original_cosponsor 116-s-4338,C001070,"Sen. Casey, Robert P., Jr. [D-PA]",D,PA,2020-10-19,0 116-s-4338,M000133,"Sen. Markey, Edward J. [D-MA]",D,MA,2020-10-19,0 116-s-4338,B001230,"Sen. Baldwin, Tammy [D-WI]",D,WI,2020-09-10,0 116-s-4338,B000944,"Sen. Brown, Sherrod [D-OH]",D,OH,2020-08-06,0 116-s-4338,M001111,"Sen. Murray, Patty [D-WA]",D,WA,2020-07-29,0 116-s-4338,B001277,"Sen. Blumenthal, Richard [D-CT]",D,CT,2020-07-28,1 116-s-4338,M001176,"Sen. Merkley, Jeff [D-OR]",D,OR,2020-07-28,1 116-s-4338,F000062,"Sen. Feinstein, Dianne [D-CA]",D,CA,2020-07-28,1 116-s-4338,W000817,"Sen. Warren, Elizabeth [D-MA]",D,MA,2020-07-28,1 116-s-4338,S000033,"Sen. Sanders, Bernard [I-VT]",I,VT,2020-07-28,1 116-s-4338,H001075,"Sen. Harris, Kamala D. [D-CA]",D,CA,2020-07-28,1