housing subsidy for the mortgage interest deduction. the more you make, the bigger your subsidy. but what s not in the tax expenditure budget is just as important. if you are wealthy enough that your annual increase in wealth exceeds your consumption, you just borrow against your assets and live tax tree. $17,000 a year if you can afford it. i m older. i can save an extra $6,000. but if you re an executive, a large business owner, a movie star, you can save unlimited amounts of money under a little-known section of the tax code, and there are people with multiple billion-dollar untaxed fortunes and some are done in the way they can borrow against them. that s something seriously wrong with the system. that s why we need to talk act fundamental tax reform and lowering rates would make all these things worse and put the burden on the people down the income ladder. fundamental tax reform, comprehensive tax reform.