Illinois Gov. J.B. Pritzker’s ‘fair tax’ would raise Illinois business taxes to the highest in the nation as neighboring Indiana cuts taxes to draw businesses across the border.

Illinois politicians are already talking about taxing retirees, adding “surcharges” and city income taxes if they can convince voters to abandon the Illinois Constitution’s flat tax protection and give lawmakers greater taxing power.

The progressive tax amendment on the ballot Nov. 3 removes the constitutional prohibition on multiple taxation, in addition to removing the flat tax protection.