The controversial imam of a prominent mosque in Arlington, Va., has urged immigrant Muslims in the United States to wage war for Islam. “The enemies of Allah are lining up. The question for us is, are we lining [up] or are we afraid because they may call us terrorists?” Shaker Elsayed told a crowd of Ethiopian Muslims during a lecture at T.C. Williams High School in Alexandria, Va. “Let me give you the good news: they are already calling us terrorists anyway. Whether you sitting at home, watching TV, drinking coffee, sleeping or playing with your kids, you are a...