REVENUE-NEUTRAL TAX CUTS???

That's what Paul "Galt" Ryan told Chris Wallace he and Mitten$ plan on doing if they are elected:

WALLACE: No no, I’m just talking about cuts. We’ll get to the deductions, but the cut in tax rates.
RYAN: The cut in tax rates is lowering all Americans’ tax rates by 20 percent.
WALLACE: Right, how much does that cost?
RYAN: It’s revenue neutral.

So, they want to reduce the main tax rates and take away many deductions for a net gain of...????