Terrorist tanker training?; U.S. strikes, Islamic State retreats; China's stealth busters

U.S. intelligence agencies last month reported that a group of 22 Yemeni-Americans were training in Houston to be seamen on oil tankers, raising terrorism concerns over the unusual activity. The Department of Homeland Security issued an Aug. 26 report from its National Terrorism Advisory System about the case. "Reporting revealed that 22 students of Middle Eastern…