Tribal Tribulations

For a thousand years, the Wazir tribesmen who rule part of Pakistan's rugged western border with Afghanistan defeated invading armies by drawing them into a labyrinth of mountains to pick off enemy troops one by one. Their weapons have evolved from arrows to rocket-propelled grenades, but their deadly tactics have not. The Wazir humbled the Mughals in the 16th century and the British in the 19th and 20th centuries. Last month, it was the Pakistani army's turn. In an April 17 ceremony, Pakistani Lieut. General Safdar Hussain signed a truce with the leaders of the tribal forces, ending a brief, bloody...