31.   It is the main topic of discussion at countless medical and religious meetings this summer.

32.   Its main topic is the transformation of American culture from the time when what Kammen calls popular culture was dominant to the present ascendancy of mass culture.

33.   Major newspapers dedicated several pages to the story on Thursday and Friday and it was the main topic on talk TV and radio.

34.   Meanwhile, the computer giant will be the main topic tomorrow at a Senate Judiciary Committee hearing on competition in the computer age.

35.   No main topics.

36.   Pedro has been the main topic in dozens of discussion groups.

37.   Race was the main topic of conversation at the dinner table.

38.   So he decided to ad-lib, giving short shrift to his main topic.

39.   So far, however, the main topics of conversation at Santa Rosa Junior College have little to do with playing ball.

40.   That is expected to be the main topic with the bowl alliance also on the agenda.