SFGate's sex columnist Violet Blue is no stranger to controversy. There was, for instance, her recent public feud with the rulers of Boing Boing, who pulled down her postings from their Web site for reasons never made clear. Then there was her trademark-infringement lawsuit against a porn actress who was using the same name. And now Blue is embroiled in a whole new feud involving one of the porn star's fans, an online dispute that has spilled into the courts and has raised questions about when free speech crosses over... More >>>