21.   But in the broadest sense, the onset of presbyopia is a clear signal that the bloom of youth has definitely faded.

22.   But observers say the latest reaction from Justice and the Pentagon sends a clear signal that the government believes the industry is as small as it needs to be.

23.   But simply deciding to hear the case sends a clear signal that the court wants to reexamine the issue.

24.   But the case, which raises First Amendment issues, is a clear signal that securities regulators are determined to rein in fraud on the wild wild Web.

25.   But the agreement sends a clear signal to other sports sites.

26.   But others, including Larry Mayewski, a senior vice president at A.M. Best, saw it as a clear signal.

27.   But the very clear signal is that the administration is not going to shovel money through the door of the Pentagon.

28.   But they want the administration to send one clear signal on the danger level.

29.   By issuing its order Friday, the court sent a clear signal that it intended to take charge of the case.

30.   Child experts advise rituals around bedtime because it sends a clear signal that this is the right time to fall asleep.