Despite the paper having promised that it would co-operate fully with police inquiries, executives descended on the desk of former news editor James Weatherup moments after learning of his arrest. Under the eyes of their legal team, they bagged up notebooks, papers and recording machines and removed them "via our lawyers", a firm whose identity the publisher refused to confirm.A few hours later, the police arrived and took the bags to Scotland Yard.The unexpected arrest of Weatherup, one of the most senior journalists at the News of the World, at his home leaves little room for doubt that the new police team investigating the phone-hacking scandal is determined to succeed where its much-criticised predecessors failed.It was three weeks ago that the News of the World dumped a vast archive of...