With the turquoise dome of the shrine to the 18th-century father of the Afghan nation rising in the background, Muhammad Akbar paused, leaned on his pick and said that he had never before been asked to dig a grave in the sacred soil of this compound. The grave was for Azimullah Muhammad, an 18-year-old who a week ago was an unknown seller of plastic water jugs from a dimly lit stall deep inside Kandahar's main bazaar. Now he is Afghanistan's newest hero, to be buried alongside mujahideen heroes of the guerilla war against the Soviet Union. On Friday, television viewers...