11.   But experts question whether such limited disclosure is enough.

12.   But many health-care experts questioned whether the unionization move was as altruistic as the doctors suggested.

13.   But legal experts questioned whether Ito could justify reversing an earlier order to permit cameras in court during the Simpson trial.

14.   But one legal expert has questioned whether such a price increase would really address the problem.

15.   But other experts questioned the ethics of exposing a patient to the risks of a transplant for an organ that is not lifesaving.

16.   But safety experts have long questioned how many sport utility customers think of their vehicles as trucks, much less check the weight ratings on the label.

17.   But many experts question whether raising teacher salaries, by itself, will translate into better educational performance.

18.   But some public health experts question the wisdom of vaccinating Americans in the absence of any cases of smallpox anywhere in the world.

19.   But some experts question the efficacy of bashing Syria publicly.

20.   But some experts question whether it is as simple as that.