21.   A friend who lives in the mountains about an hour from Denver has a theory about these buildings.

22.   Alderson had some theories on why the people of St. Louis have taken to McGwire in a way Oakland never did.

23.   Brian Eno has a theory.

24.   Burton J. Greenwald, a mutual fund consultant in Philadelphia, has another theory.

25.   But he had another theory for why the boat ran so far up the beach.

26.   But he has his theories.

27.   But Jeter has a theory about his acclaim.

28.   But Jenkins has another theory.

29.   But Kevin Wixted also has a theory.

30.   But I have a theory regarding the last Friday in April.