ISLAMABAD, Pakistan (AP) - It was shortly before midnight when the knock on the door came. It was the Pakistani secret service, and the agents took Abdul Ahad's father and two uncles, all Afghans sheltering in Pakistan. One uncle was quickly released. But the whereabouts of the others remained a mystery until a postcard arrived at the family residence in Peshawar nearly six months later. The return address was Camp X-Ray in Guantanamo, Cuba. Ahad's uncle, Badruzzaman Badr, and his father, Haji Rahim Muslim Dost, were in American custody at Guantanamo, along with several hundred suspected Taliban and...