▁Per kins ▁that ▁the ▁constitution ality ▁of ▁Social ▁Security ▁could ▁be ▁based ▁upon ▁" The ▁tax ing ▁power ▁of ▁the ▁Federal ▁Government , ▁my ▁dear ; ▁the ▁tax ing ▁power ▁is ▁sufficient ▁for ▁everything ▁you ▁want ▁and ▁need ." ▁ ▁See ▁also ▁ ▁Hel ver ing ▁vs . ▁Davis ▁- ▁Supreme ▁Court ▁Op in ion ▁ ▁List ▁of ▁United ▁States ▁Supreme ▁Court ▁cases , ▁volume ▁ 3 0 1 ▁ ▁United ▁States ▁v . ▁Butler ▁( 1 9 3 6 ) ▁ ▁Ste ward ▁Machine ▁Company ▁v . ▁Davis ▁( 1 9 3 7 ) ▁ ▁F lem ming ▁v . ▁N est or ▁( 1 9 6 0 ) ▁ ▁Further ▁reading ▁ ▁References ▁ ▁External ▁links ▁▁▁ ▁Category : Un ited ▁States ▁Supreme ▁Court ▁cases ▁Category : Un ited ▁States ▁Supreme ▁Court ▁cases ▁of ▁the ▁Hugh es ▁Court ▁Category : T ax ing ▁and ▁Sp ending ▁Cla use ▁case ▁law ▁Category : 1 9 3 7 ▁in ▁United ▁States ▁case ▁law ▁Category : So cial ▁Security ▁law su its <0x0A> </s> ▁Ivan ▁Br ond i ▁de ▁Car val ho ▁( born ▁ 7 ▁October ▁ 1 9 4 1 ) ▁is ▁a ▁Brazil ian ▁former ▁footballer . ▁Now ad ays ▁he ▁works ▁as ▁a ▁dent ist . ▁ ▁References ▁ ▁Category : 1 9 4 1 ▁birth s ▁Category : L iving ▁people ▁Category : Associ ation ▁football ▁mid field ers ▁Category : B raz ilian ▁football ers ▁Category : B raz ilian ▁dent ists ▁Category : So ci ed ade