Well, maybe not quite nothing. In 2010 — the only year we have seen a full return from him — Romney would have paid an effective tax rate of around 0.82 percent under the Ryan plan, rather than the 13.9 percent he actually did. How would someone with more than $21 million in taxable income pay so little? Well, the vast majority of Romney’s income came from capital gains, interest, and dividends. And Ryan wants to eliminate all taxes on capital gains, interest and dividends.

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Mitt Romney Would Pay 0.82 Percent in Taxes Under Paul Ryan’s Plan

Never trust the guy promising to slash his own taxes.