washington u.s. treasury secretary steven mnuchin say thursday trump administration upcoming tax plan aim low income tax wealthy americans look middle income tax cut high end plan eliminate state local deductions ... even end slight reduction high end offset reduction deductions tax go mnuchin say interview policy forum organize news outlet politico add detail tax reform framework due release week sept. 25 would include specific rate proposal corporate tax rate go see specific rate proposal mnuchin say add would also include detail deduction corporate interest treasury 's mnuchin say tax cut wealthy