Libya’s provisional leaders named an engineer as its new prime minister, taking the first step toward assembling a new transitional government after the killing of Col. Muammar el-Qaddafi and the formal end to the uprising that ended his nearly 42 years in power.MultimediaLibya’s Transitional National Council’s members voted to name Abdel Rahim el-Keeb as prime minister, whom officials described as an electronics engineer and Qaddafi critic who spent most of his career abroad.Learn more from The New York Times.