21.  He is a national resource.

22.  He made the transition from a defiant, kiss-my-tailpipe rebel to a national resource, revered by fans and rivals alike.

23.  Here you have an exotic species that is very adaptable, and yet none of the national resource people have given it much consideration.

24.  Here are national resources for parents of teens in trouble.

25.  How many national resources should the task consume and who should pay?

26.  I will be funding a national resource on older women and aging that will be announced any week now.

27.  If governments reimburse the group by granting it mining concessions, for instance, political leaders are effectively surrendering control of vital national resources.

28.  It calls for a national resource center and web site to share information and a number of events to publicize the initiative.

29.  It also would serve as a national resource center for researchers and scholars.

30.  Legislatures have the power to regulate the uses of national resources, and protect countries from exploitation in an era of economic globalization.