11.   The ensuing decades saw many more dams go up, along with a Central Arizona Project that delivers water from the Colorado River.

12.   The last decade has also seen enrollments rise in university jazz programs.

13.   The last several decades have seen the triumph of an anti-intellectual egalitarianism in American classrooms.

14.   The last decade has seen a revolution in bookselling.

15.   The last decade has seen an enormous push by Jewish institutions, from synagogues to retirement homes, to promote marriages within the faith.

16.   The last decade has seen the rise of the militias, with their tales of creeping world government and black helicopters.

17.   The last decade saw deadly standoffs at Ruby Ridge, Idaho and Waco, Texas.

18.   The past decade has seen a dramatic improvement in image quality of high-speed films.

19.   The past decade has seen a handful of spectacular successes for prosecutors willing to re-open old cases.

20.   The past decade has seen an upsurge not only in fine dining but in listing the sources of food.