Afghanistan. Nasir Saberi faces an uphill struggle-he's in charge of planning the reconstruction of Kabul, a city reduced to rubble by more than 20 years of civil war. His problems, as he explains to reporter Tim Whewell , are compounded by the huge influx of refugees who have returned to the city since the defeat of the Taliban a year ago. But the scale of his task is daunting and already he is becoming worn down by red tape and the lack of available funds. Editor Maria Balinska Repeated from Thursday