31.   But Fitzwater adds a cautionary note.

32.   But he adds a cautionary note.

33.   But it is instructive to sound a few cautionary notes.

34.   But while acknowledging the insights gained by peering beneath the skin, Cooper strikes a cautionary note.

35.   But, he added as a cautionary note, it still will not be easy.

36.   But with optimism also comes a cautionary note from people who have seen their particular paradise in peril.

37.   Custer sounds a cautionary note.

38.   Democrats, who had been counting on Greenspan to provide a cautionary note on taxes, appeared crestfallen.

39.   Despite this cautionary note, the project is meant to illustrate a utopian alternative to living online behind a wall of digital defenses.

40.   Evolutionary biologist Richard Dawkins sounds a cautionary note.