1.   And all experts acknowledge that digital phones continue to pose a much harder target for eavesdroppers and hackers than the older analog phones in widespread use.

2.   And this week, a Washington forensics expert acknowledged that he hopes to exhume James, leader of a post-Civil War gang based in Missouri.

3.   A history of social isolation, discrimination, racism and oppression can take a toll on mental and physical health for generations, experts acknowledge.

4.   But even artificial-intelligence experts acknowledge its inherent weakness.

5.   But explosives experts acknowledge that they have much to learn about the nature of terrorist blasts.

6.   But experts acknowledge the sneezing season is likely to get worse before it gets better.

7.   But most experts acknowledge that the more important training comes once police officers hit the streets, often at the hands of their veteran partners.

8.   But security experts acknowledged that Web sites are still vulnerable, in part because denial of service attacks are so hard to fend off.

9.   But the experts acknowledged that deviations from experimental plans were difficult to monitor.

10.   But the mental tug-of-war most of us experience while preparing to pack is typical, the experts acknowledge.