A map of President Bush's motorcade to Camp David was found last week in the possession of a teenager accused of stockpiling weapons and bomb-making materials, according to prosecutors. With the possibility that the motorcade was a target, federal authorities have joined police in investigating Collin Matthew McKenzie-Gude, 18, who allegedly was storing the weapons and materials just outside Washington, D.C., at the Bethesda, Md., home where he lives with his parents. MyFOXDC.com reports that Assistant State's Attorney Peter Feeney disclosed the discovery of the map of Camp David during a court hearing on Tuesday in Rockville, Md. The map...