11.   Jarreau may be in his third decade of recording music, but his energy level still runs like that of a clubbing young jazzman.

12.   Richter was a national hero for the first decade of his career, a European hero for the second decade, and for the third decade an American hero.

13.   The epidemic is now in its third decade.

14.   The name for Mount McKinley is a tug-of-war now in its third decade.

15.   The Smokeout, now entering its third decade, has become a useful tool for anti-tobacco activists.

16.   Then in his third decade as publisher, Punch Sulzberger, as he has always been known, understood that as well as his mother did.

17.   To stop the fighting, now in its third decade, U.N. sanctions have been imposed on the rebels.

18.   What could possibly motivate Streep as she enters her third decade in the movies?

19.   Heading into their third decade of home-rule, Greenlanders are increasingly frustrated with the social problems that stain their pristine glacial homeland.

20.   With faith in God, another generation of young Afghan men is fighting a war that nears its third decade.