Much of it is because of the perceived exigency of the moment.

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With the nation at peace and the economy strong, political infighting in Washington was sustained more by its own logic than any real exigency.

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Last week, the board of Austin Independent School District declared a "financial exigency, " a move that will allow it to lay off more than 1, 000 teachers.

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Pace supported this approach, as an exigency of war.

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