As American reaches 20 years since the 9/11 attacks, the former Navy SEAL credited with killing the man behind the horror, Usama bin Laden, warned against the greatest threat now facing the U.S. Robert O’Neill, former member of the elite SEAL Team Six, said in an interview with Fox News that despite growing concerns around a resurgence of radical Islamic terrorism, the U.S. has bigger vulnerabilities closer to home. "My biggest concern is the division in this country," O’Neill said. "Most people are good to each other. But the anger and the division gets the ratings, and that’s what people...