What should Barry Diller do? The IAC boss is being hung, slowly, by his largest shareholder. And for good reason: although online commerce and advertising is growing, the internet conglomerate has shrunk in value from $22bn to just over $7bn over five years. Barry Diller's reputation as a canny businessman, built up…

So, finally, the bottom of the story of the Wall Street Journal's clash with web billionaire Marc Benioff. And it gets uglier. Pui-Wing Tam, the Journal reporter who was investigating the Salesforce.com CEO's Hawaii getaway, was indeed detained, both by Benioff's construction crew and the police. Benioff told the…