text: Militants Release 31 Hostages in Russia BESLAN, Russia - Camouflaged security agents carried babies to safety after militants holding hundreds of hostages at a school released at least 31 women and children Thursday, and officials expressed hope that negotiations would bring more progress in the standoff in southern Russia.    But a crowd of hostages' relatives keeping vigil outside the school was shaken when a pair of explosions went off just ahead of the release...