11.   Military and political observers increasingly doubt that the Kremlin has any strategy for ending the war.

12.   Most observers doubt they are really interested in letting the players share in major decisions.

13.   Other observers doubted whether a high per-capita student population was any kind of a measure of academic excellence.

14.   Only the most naive observer may doubt that Syrian ruler Hafez Assad gave Hezbollah a green light to provoke Israel as it did.

15.   Regardless of whether Fox succeeds against ESPN, some observers doubt that Murdoch will change the way Americans watch sports.

16.   Some observers doubt a jury will have any such sympathy for Knoller and Noel.

17.   Some observers doubt there are enough adult education and basic training programs to help everyone.

18.   To be sure, some observers doubt the rally will last.

19.   Western observers doubt the OSCE presence would stop a Russian advance to crush the rebels.

20.   Yet, it was only months ago that political observers doubted Miller would actually quit politics and return to the classroom.