The British government expects a bill to allow police and security services to trawl private e-mails to become law after it returns to the House of Commons Wednesday, officials said. ``We are not expecting any trouble. It should go through the . . . The British government expects a bill to allow police and security services to trawl private e-mails to become law after it returns to the House of Commons Wednesday, officials said. ``We are not expecting any trouble. It should go through the Commons today and on to the statute book,' a Home Office source told Reuters.