1.   And it memorializes a pivotal moment of cultural transformation.

2.   At a pivotal moment in history, Clinton steered the Democratic Party through a dangerous crossroads, shaping its identity as momentously as Franklin Roosevelt did.

3.   At a pivotal moment in history, that is a weak position for the president and his advisers to be in.

4.   At pivotal moments Nunn challenged Republican policies on defense matters, playing an important role in supporting the cause of arms control.

5.   At that pivotal moment, her thoughts focus on her relationships with friends and relatives, and the pain of losing those she held most dear.

6.   At one point Ms. Norman imitates a radio tuning into pivotal moments in modern history, especially the civil rights struggle.

7.   A more recent pivotal moment for Clinton is also being second-guessed.

8.   A pivotal moment comes at home against Pitt on Saturday.

9.   A season filled with tension and tumult has reached another pivotal moment.

10.   A pivotal moment will come next week, when Mrs. Currie is expected to return to the grand jury.