Saudi Arabia's King Salman on Saturday replaced his veteran oil minister and restructured some big ministries in a major reshuffle apparently intended to support a wide-ranging economic reform programme unveiled last week. The most eye-catching move was the creation of a new Energy, Industry and Natural Resources Ministry under Khaled al-Falih, chairman of the state oil company Aramco. He replaces the 80-year-old oil minister Ali al-Naimi, in charge of energy policy at the world's biggest oil exporter since 1995. But major changes were also made to the economic leadership, with Majed al-Qusaibi named head of the new Commerce and Investment...