Pakistani lawmakers elected a textile businessman who briefly served as the governor of southern Sindh province as the country’s next president Tuesday, the election commission chief said, a result that was widely expected. The election of Mamnoon Hussain, nominated by the ruling Pakistan Muslim League-N party, followed a late night attack by 150 Taliban militants on a prison, illustrating one of the major challenges facing the new president. The fighters freed more than 250 prisoners, including 38 suspected militants, and killed 14 people, including guards and Shiite Muslim prisoners, officials said. … Prime Minister Nawaz Sharif will remain the most...