I just got an email from RandPacUSA that says Senator Paul wants to end the IRS (yay!) and replace it with... the Flat Tax? Why not the Fair Tax? Flat Tax vs. Fair Tax It actually seems remotely possible that the IRS is on the way out. Hey, we can dream. Since politicians are going to demand something to replace the IRS ("Who will build the roads?"), there is a decision to be made. Flat or Fair?