The security agency has been hampered, its officials say, by budget and hiring constraints.

On Tuesday night he didn't quite pull it off, held back by physical constraints that he can escape in the studio.

It works by recording new constraints whenever an inconsistency is found.

Obviously, that promise, unfettered by either technical or commercial constraints, still remains to be realized.

He said he was unconcerned by political constraints on military action.

The producers of reality television shows, however, are unfettered by such constraints.

Traditionally left out by financial constraints, many inner-city school students were completely excluded.

It refuses to recognize that our worst nightmares can be laid to rest only by constraints on technology.

What happens, he said, is that people do not see common suffering brought about by economic constraints, but focus on their own victimization.

They are caused to not behave like that by social constraints such as civilised behaviour and the law.