it has been four weeks since new post—brexit border rules came into force for trade between britain and the eu, and many companies — especially smaller ones — are struggling to cope. the added bureaucracy is being blamed — at least in part — for long queues of trucks outside the port of dover, which is the main trading hub between britain and europe. our global trade correspondent chris morris has been finding out more. driving into dover, past queues of lorries stretching for miles. they're being held here to avoid congesting the town. queues are not uncommon in these parts, but they've been particularly bad in recent weeks. drivers are fed up waiting for hours and sometimes days. when we are waiting, it's no money. they blame cancelled ferry crossings and post—brexit bureaucracy. john shirley has run a freight—forwarding company in dover for 25 years, but this is new territory. customs documents now have to be completed in full before thousands