11.   But many Israeli and Palestinian experts call that sort of speculation premature.

12.   But most experts called the visit a success that augurs well for future relations.

13.   But now, in experiments that experts call amazing, that dogma has been overturned.

14.   But safety experts have been calling for automakers to make them more available.

15.   But some legal experts call the case a troubling one because Sheppard is being held without having been charged or put on trial.

16.   But some medical experts call for a national dialogue on the best way to prepare for a possible smallpox outbreak that was spread by terrorists.

17.   But the most important factor is what experts call the software gap.

18.   Child-development experts call it mastery, a way for the children to feel in control of unfamiliar material.

19.   China is in the midst of what some experts call an environmental crisis, with major water sources and air quality being degraded at alarming rates.

20.   CLAS test experts call such comments ill-informed, and say the six-point scoring system is stringent and fair.