21.   The other team had the coach, but too many questions existed about its players.

22.   The products hit the market before conclusive evidence exists about their benefits or their side effects.

23.   The only consensus that exists about Social Security is that fundamental changes are required to extend the life of the insurance plan through the next century.

24.   There, no confusion exists about the personality of his power.

25.   We have long argued that enough information exists about suspicious activities at the White House to justify such an appointment.

26.   While alliance officials here put on a brave face, doubts exist about its military capabilities.

27.   Yet, fundamental questions still exist about science and religion.

28.   But if a doubt exists about the possibility of transmitting the disease to humans, he added, the strict controls should be maintained.

29.   Concerns exist about the financial implications for the city of the scale of the infrastructure and games project, making delivery of the games plans more difficult.

30.   Concerns still exist about temperatures staying below freezing.