ISLAMABAD — Pakistani authorities still have three of Osama bin Laden's wives and eight of his children in custody, nearly a week after the U.S. raid that killed the Saudi terrorist leader, and no countries have asked for their return, the government said Sunday. Pakistan gained custody of bin Laden's family members after the covert U.S. operation on May 2 that killed the al-Qaida chief and four others at his hide-out in the northwestern city of Abbottabad and further strained relations between the two nations. Their questioning could provide more information on the U.S. military operation and help reveal how...