1.   But some observers fear the virus is a new invader, perhaps imported by aquaculture facilities that raise salmon in pens on the coast.

2.   He already faces a crisis that some observers fear could turn into a full-scale revolution.

3.   He is already facing a crisis that some observers fear could turn into a full-scale upheaval.

4.   Q. Some economic observers fear that, with the rapid expansion of machines, jobs are disappearing that will never be replaced.

5.   Although the fighting has been relatively small-scale so far, observers fear it could boil over into a civil war that could destabilize the entire region.

6.   Kinshasa and the rest of government-held Congo remain calm, but some observers fear that could disintegrate.

7.   Kinshasa and the rest of government-held Congo remain calm, but some observers fear that could disintegrate in the days or weeks ahead.

8.   Kinshasa and the rest of government-held Congo remain calm, but some observers fear that could easily disintegrate.

9.   Many observers fear that will mean less editorial freedom for the agency.

10.   Observers fear Milosevic might feel he has to commit the Yugoslav army if the Croats and Muslims push toward the northern Bosnian Serb stronghold of Banja Luka.