French judges have called former head of the IMF Dominique Strauss-Kahn the "lynchpin" of orgies, as authorities investigate an alleged prostitution ring.<br /><br />The one-time presidential favourite is due to stand trial to face charges of aggravated pimping.<br /><br />Strauss-Kahn says he did not know the women at the parties were being paid to have sex with him.<br />http://www.euronews.net/
