31.   And while mayoral control of the schools has become a central theme for his tenure, Bloomberg has become publicly passionate about it only in the last month.

32.   As he moved about, living with friends and friends of friends, alcoholism emerged as a central theme in his life and work.

33.   Authors agree that food or wine or both are central themes of the mystery, although not necessarily key to the plot.

34.   Bob Dole has even made it one of the central themes of his presidential campaign.

35.   Both have made their opposition to abortion central themes of their campaigns.

36.   A central theme of other speakers Monday, including the head of a congressional subcommittee that oversees mutual funds, was deregulation.

37.   A central theme of the movie is that Stanton is more concerned with the means than the end.

38.   A central theme is second chances.

39.   All of which, some advocates said, are variations on a central theme.

40.   All the books have close personal relationships, usually families, as central themes.