Though al-Qaida training videotapes and manuals captured in Afghanistan specifically show the planning of attacks on Americans in drive-by shootings, experts who have analyzed those materials are cautious about concluding the murder spree outside of Washington yesterday is connected in any way to terrorism. The videotapes and training manuals, which show Osama lin Laden's terrorists have prepared to kill Americans with small-arms fire from trucks and vans, were first revealed in a WorldNetDaily report last month. But John Holschen of Insights Training Center, who produced a report on the tape for military and law enforcement officials, said the rash of...