41.   Colombian authorities, by improving ground security, allowed the U.S. to remove the warning, Secretary of Transportation Federico Pena said in a statement.

42.   Clinton wants this review to include a list of priorities for improving embassy security, particularly at high-risk facilities, such as those in the Middle East.

43.   Condemning the suicide bombings in Jerusalem, President Clinton Wednesday called on Palestinians to improve security and ordered a U.S. mediator to delay a trip to the Middle East.

44.   Councilman Mark Ridley-Thomas also said the agency should meet with all council members individually to discuss specific proposals to improve security.

45.   Democrats and Republicans have sparred over how to improve airport security and how to give CPR to a troubled economy.

46.   Democrats defended the spending as justified and said critics were nitpicking a measure that would improve national security.

47.   Despite those shortcomings, the committee cautioned against the widespread use of controversial lie-detector tests as a way of improving security at the labs.

48.   Diplomats said they had not reached agreement on exchanging land in southeast Croatia to improve security around the Croatian coastal city of Split.

49.   During his tenure, American experts have visited sensitive Russian nuclear sites and helped to improve their security.

50.   During the course of the three-way negotiations, the United States sent specialists to Georgia to improve the security of the reactors.