41.   But he occasionally expressed frustration with the conservative style of Kevin Constantine, the new coach of the Penguins.

42.   But in a meeting split on generational lines, several members expressed their frustration with the inability of top leaders to enforce party discipline in the Senate.

43.   But in a handful of interviews Sunday, soldiers expressed frustration at what they said they saw as a problem with Iraq that would not go away.

44.   But he also expressed frustration with the timing.

45.   But Ito -- who repeatedly has expressed frustration with the intense media coverage of the O.J. Simpson trial -- joked about how the spillover publicity might benefit his colleague.

46.   But John Noulton, executive director of Eurotunnel PLC, expressed frustration with the delays on the rail link.

47.   But many of the two dozen refugees interviewed in the New York area expressed frustration that they still had so little control over their lives.

48.   But Siddiqui expressed frustration that the embassy was having trouble learning how many Saudis had been detained.

49.   But Russian officials expressed frustration with the US approach.

50.   But Russian officials have also privately expressed frustration.