1.   As far as Silicon Valley goes, it was a typical Internet Cinderella story, complete with perilous moments and happy ending.

2.   JFK had to steer us through the most perilous moments of the Cold War.

3.   The storm over his campaign finance practices has thrust Al Gore into what his advisers concede is by far the most perilous moment of his political career.

4.   There was little doubt, though, that the incident had brought the state of U.S.-China relations to a potentially perilous moment.

5.   There was little doubt that the incident had brought the state of U.S.-China relations to a potentially perilous moment.

6.   Western diplomats and U.S. officials say it is a perilous moment on the subcontinent.

7.   Western diplomats and U.S. officials say that it is a perilous moment on the subcontinent and that the coming weeks may be decisive.

8.   Western diplomats and U.S. officials say that it is a perilous moment on the subcontinent.