21.   Yet he did leave his followers some tantalizing hints that America may not have seen the last of him as a presidential candidate.

22.   But there are tantalizing hints.

23.   The first preliminary human testing of a highly anticipated new kind of AIDS vaccine offers tantalizing hints it may ultimately protect against the killer virus.

24.   After months of tantalizing hints, the coming out has been almost eclipsed by events in real life.