There was some hubbub earlier this month when sex columnist Violet Blue discovered that one of her old columns for the SF Chronicle had been altered by the Chronicle's online site, SFGate.com. She was upset that the changes implied the article said the opposite of what it actually said -- and found it odd that, beyond that, all the links and comments were missing, and the story was now spread out over several pages. This resulted in some investigations, with venture capitalist Tim Oren...