31.   Experts are divided over how seriously a default would affect the world economy.

32.   Experts are divided over whether raising cigarette taxes will deter significant numbers of young people from taking up smoking.

33.   Experts are sharply divided on whether the legislation has reduced violent crime.

34.   Experts are divided on how much, if any, effect the order has contributed to the recent sharp drop in prices.

35.   Experts are divided on what that something might be.

36.   Experts are divided over the question.

37.   Experts are divided on the future direction of interest rates.

38.   Experts are sharply divided on whether the Afghanistan conflict, and heightened concerns about terrorism, will signal a sea change in U.S. military spending.

39.   Experts were divided about whether the merger would make sense.

40.   Handwriting experts are divided over the authorship of the note.