Getting rid of the IRS via a national sales tax could have considerable appeal , , ,
You get rid of the IRS as we know it by repealing the 16th amendment. Adding a national sales tax would be a way to make up some of the difference.
The likelihood that super majorities will support a zero tax rate on the income of the wealthy at this time being zero, the IRS
is not going away. You bring down their excesses by simplifying the laws and having them apply evenly. In this case, a simple reform for 501c3's and c4's might be that income can only be taxed once and to clarify that the first amendment is still valid. In other words, let people spend after-tax income on political speech anytime, any place, in any amount they want in this country.