U.S. forces in recent days carried out a pair of major airstrikes across Syria, killing key terrorist figures and dozens of fighters linked to the Islamic State and al Qaeda, the Pentagon said Sunday in a statement. U.S. Central Command said the first strike, on Sept. 16, targeted an Islamic State training camp in central Syria. At least 28 ISIS fighters were killed, including four senior leaders, military officials said. On Sept. 24, CENTCOM said it targeted the terror group Hurras al-Din, an...