71.   President Bush said Thursday that his administration is reviewing U.S. aid to Russia used to stop the spread of nuclear, biological, and chemical weapons.

72.   Perry said the treaty, while not a means in itself to stop the spread of weapons, provides a good starting point for tighter security.

73.   Perry said the treaty, while not a means in itself to stop the spread of weapons, provided a good starting point.

74.   A fence can neither stop the spread of fire nor prevent further encroachment by squatters if they are determined enough.

75.   A hillside community had to be evacuated and several homes were damaged before firefighters were able to stop its spread.

76.   A few years ago, researchers found that resveratrol kept cells from turning cancerous and stopped the spread of malignancies.

77.   A senior United Nations official on Saturday warned African leaders that they are giving too low a priority to stopping the spread of AIDS.

78.   About two dozen firefighters were digging firebreaks and removing excess fuel to stop the spread.

79.   Also Sunday, maritime officials said they had stopped the spread of an oil slick from the downed ship.

80.   An operation and six radiation treatments had failed to stop the spread of a malignant tumor on a salivary gland in front of his right ear.