1.   James Richardson, prosecuting, said Bedworth had caused chaos on a vast scale and worried the experts.

2.   But excessive smiling worries some experts, such as Thomas Scheff, a professor of sociology at the University of California.

3.   But the terrorists were part of a new breed of extremists that both puzzle and worry experts.

4.   But the increase of surveillance worries privacy experts, who complain about unwarranted monitoring of employees and others.

5.   But what worries many health-care experts is whether all the issues facing the hospital system can be coped with at once.

6.   Combined with the recession, the picture worries some experts, even factoring in federal help to rebuild the attack site.

7.   He and partner Luxembourg will be acting as both dealers and fund managers, and it is precisely this mix that worries some experts.

8.   Heavier payloads and overworked launch technicians have some experts worried that this maneuver may move from theory to actuality.

9.   It is this last category that has worried security experts.

10.   One wrinkle in the case has some legal experts especially worried.