No Christians living in Muslim lands; no Muslims living in Christian countries. Its message to Western Muslims: You don't belong there. Those anxieties are often exacerbated, if not incited, by Islamophobia, said Sarah Lyons-Padilla, a social psychologist at Stanford University who has studied radicalization among young American Muslims. Omar Suleiman, a popular cleric who lives in Dallas, said he has sparred with young Muslims attracted to ISIS' black-and-white theology. "They become disconnected from the mosque and disconnected from the American Muslim community."

Source: CNN January 31, 2017 16:20 UTC