41.  But he said there is no hard evidence that is occurring.

42.  But hard evidence comparing the performance of public and nonpublic schools has proven elusive.

43.  But hard evidence is in short supply from some refugees, who say Serb soldiers and militia wore masks to shield their identities.

44.  But little hard evidence exists to identify who was who in his many paintings.

45.  But many cases, while intriguing, simply did not have enough hard evidence to be able to provide a definitive explanation, they said.

46.  But officials previously cautioned that there has been no hard evidence linking Bin Laden or his agents to the bombings.

47.  But Saturday police in both countries refused to say whether they have any hard evidence pointing to a specific planned target.

48.  But the diplomats acknowledge that they have no hard evidence to support this conclusion.

49.  But the IMF and the U.S. government said they had no hard evidence of that.

50.  But the judge in that case has said the defense would need hard evidence to introduce the theory that rogue cops framed Simpson.