21.   Brazilian officials worry that they cannot fully control their thousand-mile Amazon border with Colombia.

22.   Administration officials worried that they would not get support for the plan in Congress.

23.   All of which has Western intelligence officials worried.

24.   Airport officials have worried about shoe bombs ever since a man later identified as Richard Reid slipped through security in December and boarded a flight from Paris to Miami.

25.   Both Israeli and Palestinian officials worried that violence would surge again almost immediately if Tenet left without a working agreement on what steps to take next.

26.   But Boeing officials worried publicly last week about whether the vice president would show up.

27.   But Federal Aviation Administration officials worry that the shortage of experienced instructors could be affecting the safety and quality of flight training.

28.   But federal officials worry about criminal money making its way into the state.

29.   But Israeli officials worried that a massive retaliatory military response could generate support for Palestinian demands that international peacekeepers come to the region.

30.   But Islamic scholars complained that only God was capable of dispensing infinite justice, and administration officials worried that allies in the Middle East would take offense.