Afghan Family Salvages Little but Its Hopes
Interview with Afzal, Afghan father of four who has lived through long, painful arc of Afghan history and is testament to country's present plight; like most Afghans he is illiterate, but remains determined and resourceful survivor after 23 years of invasion and civil war; is optimistic country's hour may have finally come with American military campaign to dislodge ruling Taliban, and is optimistic that better era than his own awaits his children; photo (M)