51.   But as he spoke, panic had spread in the White House.

52.   But because most developing nations cannot afford the drugs, the disease is spreading in the Third World.

53.   But ensuring the gene is spread in precise quantities remains difficult.

54.   But if some people have access to very fine particles, it means that they in theory can spread the germs as a mist covering a much greater distance.

55.   But inhalation anthrax is not known to have spread in these ways in the past.

56.   But the point spread in other statewide races is not as big, and their outcomes rest with a sizable number of undecided voters, the survey found.

57.   But the point spread in other statewide races is not as large, and their outcomes rest with a sizable number of undecided voters, the survey found.

58.   Combine all souffle ingredients and spread in buttered baking dish.

59.   Concern and then outrage spread in the medical and academic communities, as the public health threat became clearer.

60.   Colds and flu are spread in the same three ways, Hayden said.