u.s. republican presidential candidate donald trump wednesday call 21st century version 1933 glass-steagall law require separation commercial investment bank change republican party also support 2016 policy platform trump give detail bank plan say would prioritize help african american businesses get credit need democrat hillary clinton husband former president bill clinton sign legislation 1999 repeal glass-steagall u.s. bank law comprehensively revise dodd frank wall street reform consumer protection act 2010 response financial crisis 2008. trump call '21st century glass-steagall bank law