Among the wilted flowers brought to celebrate the first day of classes in the now blackened wreckage of Beslan’s School No. 1 are the abundant signs of a sophisticated terror operation. That evidence is sparking a re-examination of the long-standing Chechen links to Al Qaeda. “They were so well trained – the highest level,” says Oleg Tedeyev, deputy chief of a local police unit, who was involved in the battle Friday that freed more than 700 people, and officially left 338 dead, half of them children. Full Story