Mike Lee actually said...

If this isn't evidence of an overwhelmingly progressive federal tax system currently in place, I don't know what would be.

Those I would add, are almost certainly unconstitutional themselves.

The IRS doesn't deserve the presumption it's going to do the right thing all the time.

By all means we should debate whether some of these tax expenditures, such as the State and Local Tax (SALT) deduction ought to exist.