PORTLAND, Ore. -

Prosecutors plan to call seven Interior Department employees to testify at the upcoming trial of Ammon Bundy and others charged with conspiring to impede workers during last winter's 41-day occupation of an Oregon bird sanctuary.
   
Assistant U.S. Attorney Geoffrey Barrow told U.S. District Court Judge Anna Brown at a pretrial conference that the employees will explain their work at the Malheur National Wildlife Refuge and how they were prevented from doing their jobs. They will also identify photos from the refuge and identify defendants driving government vehicles.
   
The Oregonian/OregonLive reports the judge agreed with a defense lawyer that the employees can't simply testify about subjective fears they felt during the occupation.
   
Monday was the first of what is expected to be several days of pretrial conferences to determine what evidence will be allowed during next month's trial.