It might actually be illegal to pay income taxes.
See, the US Code says it's illegal to engage in commerce with willfully provides or collects funds with the intention that such funds be used, or with the knowledge that such funds are to be used, in full or in part, in order to carry out […] any other act intended to cause death or serious bodily injury to a civilian, or to any other person not taking an active part in the hostilities in a situation of armed conflict, when the purpose of such act, by its nature or context, is to intimidate a population, or to compel a government or an international organization to do or to abstain from doing any act
in 18 USC § 2339C - Prohibitions against the financing of terrorism... which is relevant because Fast & Furious seems to qualify (NSA's PRISM also might), and it is reasonable to believe providing funds to the federal government will fund these sorts of operations precisely because there has been no real [adverse] consequence to those who were involved to the operation.
That is illegal but its perfectly LEGAL to not pay your Obamacare personal mandate taxes.
".... such taxpayer shall not be subject to any ...
What the Obama-care law text REALLY says on IRS enforcement of the personal Mandate fine/tax
But given some responses I been getting on this I get the impression that more than a few are so scared of Obama they would hide under their beds.
"BAAAA BAAAA Scared of IRS BAAA BAAA I must comply"