31.   Nixon filed the first in a series of lawsuits to block the release of the tapes two months after he resigned.

32.   One of the hearings this week will be held by Sen. Richard Shelby, R-Ala., who has led efforts to block the release of the information.

33.   Privacy laws in Washington state block release of mental health treatment records.

34.   Some medicines block serotonin from being metabolized or absorbed, so more is available, while others block its release.

35.   Still others saw an effort to block the release of work by rival artists on the label.

36.   The ACLU then placed ads in the New York Times and Wall Street Journal, to give people a chance to block release of information.

37.   The Department of Insurance tried to get a temporary restraining order to block further release.

38.   The federal legislation directs states to block the release of personal information contained in state motor vehicle records.

39.   The critics also say that the order will allow Bush to block the release of his own documents, particularly those related to the war on terrorism.

40.   The firm blocked the release of the report after it was presented to Judge Brozman.