Neither is the National Highway System, for that matter. A few weeks ago a NH couple made headlines for holing up in their Plainfield compound and refusing to pay taxes. Their position is that the US Constitution doesn't provide for the taxation of private citizens. This is a seductive argument which has attracted many advocates over the years for obvious reasons. The only problem is, we can't all suddenly decide not to pay taxes. This mentality is akin to that of an impatient motorist who goes whizzing by in the breakdown lane while the rest of us suckers are stuck in traffic. This tactic only works so long as most people are following the rules. If this is your justification for doing something, you're not principled, you're criminal. Contrast this with another group of people who refuse to pay taxes because they don't want to fund the war in Iraq. Unlike the couple in NH, these people choose to live on a minimal income so as not to owe any taxes (both gr...