As the shootings in Ft. Hood, Texas, and Orlando show, violence is always with us.
In a 2005 speech at Ft. Bragg, N.C., President George W. Bush laid out his latest justification for the war in Iraq: "There is only one course of action against [terrorists]: to defeat them abroad before they attack us at home. The commander in charge of coalition operations in Iraq -- who is also senior commander at this base -- Gen. John Vines, put it well the other day. He said, 'We either deal with terrorism and this extremism abroad, or we deal with it when it comes to us.' "