21.   But others said that it was hard to imagine enforcing a ban on cloning people when cloning got more efficient.

22.   But the ban was not enforced, and very little foreign aid was forthcoming.

23.   But the new government is seen as too weak to enforce the ban.

24.   But teachers and administrators at the Ranch have long since given up on enforcing the ban, and some have even found the cell phones useful.

25.   Clinton on Thursday welcomed the use of the NATO warplanes to enforce a ban on heavy weapons inside an exclusion zone around Sarajevo.

26.   Commercial airlines enforce the ban without hesitation, but in the wireless communications industry the issue is hotly debated.

27.   Education Minister Francois Bayrou said in a published interview that he was issuing instructions to principals of all public schools to start enforcing the ban immediately.

28.   Even if a ban could be enforced, owners who seek that type of animal can easily find other, equally aggressive breeds not on the banned list.

29.   Enforcing the ban will be up to local city and county governments.

30.   Few believe the Revolutionary Guard, the Islamic police, will be willing or able to rigorously enforce the ban.