One more week until Tax Day. Have you filed yours yet? I haven't (probably should get on that, actually), and when I read in USA Today that roughly 47% of Americans won't even need to worry about paying federal income taxes, I start to wonder if I ought to even bother. Oh sure, there's the threat of prison time for tax evasion, but really, exactly what is the point if half the damn country isn't going to fund up and leave scot-free? I've had clients ask me to to negotiate the taxability o...