16 years after 9/11: The state of the terrorist threat
http://edition.cnn.com/2017/09/09/opinions/terrorism-16-years-after-9-11-opinion-bergen/index.html
Direct instruction from ISIS or radicalists is no more a major cause of terrorism in the United States. The most horrible people are those who were brainwashed by such a radical ideology.
So, what the US government has to do is not to let people isolated from its society. Especially, those who can't interact with others and aren't satisfied with their lives are likely to be susceptible to that.
