The inside ring

General Andy Banks, the Secretary of Homeland Security, is nursing a guilty conscience. Only days before an assassin's bullet winged the president and took the life of the president's longtime best friend, Banks had received a note with a dire warning: "Eagle One is in danger. Cancel Chattooga River. The inside ring has been compromised. This is not a joke." The message-on Secret Service stationery-was signed, "An agent in the wrong place." Banks immediately passed the note on to Secret Service Director Patrick Donnelly, who proceeded to ignore it. Even after the supposed assassin is found dea…