51.   Until Vietnam pushed the nuclear threat into the background, Americans lived with fear, in large part, through denial.

52.   When Western eyes fall on Pakistan, they see terrorism, nuclear threat, war with democratic India and all sorts of rights abuses.

53.   While the broad aim of balanced nuclear disarmament exists, a majority of allies regard the nuclear threat, including its potential first use, as central to security.

54.   Will the U.S. refrain from using nuclear threats against them?

55.   Perry has said previously that Iran also could be a nuclear threat to the United States.

56.   Other hot topics this year are the conflict in Kosovo, the financial turmoil in Asia, Europe and Latin America and the nuclear threat in South Asia.

57.   Pakistan worried about nuclear threat from India.

58.   Pakistan has defended its tests as necessary to counter a nuclear threat from India.

59.   Prime Minister P.V. Narasimha Rao said on Monday that India will not produce atomic weapons, even though it faces a growing nuclear threat from neighboring Pakistan.

60.   A prototype national missile defense system faced a critical test Saturday amid criticism that a successful demonstration of the technology would only heighten the nuclear threat.