21.   Although the Texas senator later revised his position and promised to continue campaigning Tuesday in New Hampshire, the poor showing raised fresh doubts about his staying power.

22.   And that uncertainty is enough to raise doubts about his marketability beyond this season.

23.   And Rep. Ellen Tauscher, D-Calif., raised doubts about placing the entire Lawrence Livermore National Laboratory, a nuclear weapons facility, in the new department.

24.   And one thing has raised doubts.

25.   And the continuing weakness in the technology sector is raising doubts about whether the rest of the market can continue to move higher.

26.   AOL and Time Warner had hoped to close the deal by December, but talks with the FTC are raising doubts about that deadline.

27.   Arafat raised new doubts about his own intentions Thursday with a provocative speech in Ramallah that seemed to warn of new violence if the negotiations stall.

28.   Bates then missed some mini-camp practices last spring, further raising doubts about his future with the Raiders.

29.   Baltimore then rescinded the offer after a medical examination raised doubts about the injury.

30.   Before the trial, the defense seemed intent on a Simpson-like strategy of raising doubts about the investigators who prepared the scientific evidence.