NPR's Pentagon Correspondent Martha Raddatz reports that NATO is still vague on what it plans to do next in Bosnia. NATO S-FOR troops are waiting for a reaction their NATO move yesterday to help Bosnian Serb President Biljana Plavsic. Mrs. Plavsic is vying for power with the former president Radovan Karadzic. NATO peace-keeping soldiers yesterday took over several police stations in Banja Luka and hauled away several truckloads of assault rifles, sniper rifles, grenades and rocket launchers...enough equipment to heavily arm two-thousand troops.