21.   It was a nice theory, but an experiment in North Carolina casts grave doubt on it.

22.   Most Hong Kong residents harbor grave doubts about whether it will be possible to comfortably coexist with the mainland regime.

23.   Opponents of capital punishment argue that these tests raise grave new doubts about the reliability of criminal justice in America.

24.   Our legal conclusion that in cases of grave doubt as to harmlessness the petitioner must win rests upon three considerations.

25.   Republican leaders emerged from the meeting at the White House expressing grave doubts that the administration could win support in either chamber for an American mission to Bosnia.

26.   Rep. F. James Sensenbrenner Jr., R-Wis., who is usually supportive of the administration and law enforcement, said in an interview he has grave doubts.

27.   Republican congressional leaders, who have voiced grave doubts in the past, sounded conciliatory on Tuesday.

28.   She admits that she had grave doubts about doing a show about sex.

29.   Should the Southerners lose those states, candidates that had been considered front-runners will find themselves facing grave doubts about their electability.

30.   Surely a judge cannot, in the midst of reading a record, declare himself to be in grave doubt, stop reviewing, and issue the writ.