Look at one example of where your "voluntary" tax money is going: for free health care for everyone, including -- or maybe that should be especially -- illegals (italics mine) :
For the past year and a half, millions of families continued to lack the health care their children needed. Today, the United States Senate will do its part to redeem one of many mistakes of the Bush Administration by passing the Children's Health Insurance bill, moving us closer to the promise that every American child has the right to grow up strong and healthy.The honorable gentlemen from Nevada understands that responsibilities and rights go together. We have the responsibility to pay -- voluntarily, of course -- and he has the right to buy votes with it.
The day the President signs this legislation – giving more children like Adrian Sanchez access to the care they deserve – will be a signature accomplishment of this Congress and the new Administration." more >>