21.   Optimism became a scarce commodity.

22.   Real information in Libya is so scarce a commodity that the only generally accepted truth about most internal security matters is that no one really knows.

23.   Rather, Cathy stands out because he has based his success on corporate loyalty, a scarce commodity these days.

24.   Sunshine, a scarce commodity through the long upstate winter, has returned, bearing hope.

25.   That vacation time is a scarce commodity to be treasured.

26.   Thus while grown-up masculinity is a scarce commodity in contemporary movies, it has not vanished entirely.

27.   Today, we think of time as a scarce commodity forever destined to remain in short supply.

28.   We hope airlines will likewise be receptive to efforts at La Guardia and at other congested airports to ration landing slots as the scarce commodities that they are.

29.   With at least half the California navel crop destroyed, there is no doubt the tasty fruit will become a scarce commodity on produce shelves in the coming months.

30.   With three full days left until school starts again, parents are running out of steam, and patience is an extremely scarce commodity.