Ugandan authorities shut down internet access nationwide on Tuesday, two days ahead of elections in which President Yoweri Museveni has overseen a crackdown on the opposition as he seeks to extend his 40-year rule. The 81-year-old leader, who once said African rulers should not overstay their time in office, was widely expected to win a seventh term on Thursday due to his total control over state and security bodies. But he was taking no chances against a popular opponent, Bobi Wine, a...