▁ ▁Jan et ▁Nap olit ano ▁( born ▁ 1 9 5 7 ) ▁– ▁President ▁of ▁the ▁University ▁of ▁California ; ▁ 3 rd ▁Secretary ▁of ▁Hom eland ▁Security ; ▁former ▁Governor ▁of ▁Arizona ; ▁former ▁Arizona ▁Att orney ▁General ; ▁former ▁United ▁States ▁Att orney ▁for ▁the ▁District ▁of ▁Arizona ▁▁ ▁Kath ry n ▁Ru em ml er ▁( born ▁ 1 9 7 1 ) ▁– ▁Form er ▁White ▁House ▁Coun sel ; ▁former ▁Princi pal ▁Associ ate ▁Deput y ▁Att orney ▁General ▁ ▁Ken ▁Sal azar ▁( born ▁ 1 9 5 5 ) ▁– ▁ 5 0 th ▁Secretary ▁of ▁the ▁Inter ior ; ▁former ▁Senator ▁from ▁Colorado ; ▁former ▁Colorado ▁Att orney ▁General ▁ ▁Cass ▁Sun stein ▁( born ▁ 1 9 5 4 ) ▁– ▁Form er ▁Administr ator ▁of ▁the ▁Office ▁of ▁Information ▁and ▁Reg ul atory ▁Affairs ▁ ▁United ▁States ▁Sen ators ▁ ▁C ory ▁Book er ▁( born ▁ 1 9 6 9 ) ▁– ▁Senator ▁from ▁New ▁Jersey ; ▁former ▁Mayor ▁of ▁New ark , ▁New ▁Jersey ▁ ▁Amy ▁K lob uchar ▁( born ▁ 1 9 6 0 ) ▁– ▁Senator ▁from ▁Minnesota ; ▁former ▁County ▁Att orney ▁for ▁Hen ne pin ▁County , ▁Minnesota ▁ ▁Cla ire ▁McC ask ill ▁( born ▁ 1 9 5 3 ) ▁– ▁Senator ▁from ▁Missouri ; ▁former ▁State ▁Aud itor ▁of ▁Missouri ; ▁former ▁County ▁Pro sec utor ▁for ▁Jackson ▁County , ▁Missouri ; ▁former ▁member ▁of ▁the ▁Missouri ▁House ▁of ▁Representatives ▁