Following the terror attack in Kabul, many are wondering if ISIS will be emboldened to target countries in Europe or the U.S. “Is there a threat to the United States? One hundred percent,” CBS News Foreign Correspondent Charlie D’Agata told Inside Edition. The Department of Homeland Security has issued a national terrorism bulletin warning of the risk of "targeted violence" over the 20th anniversary of the Sept. 11, 2001 terror attacks, which triggered the war in Afghanistan.
