1.   But he had no time for idle speculation.

2.   Exactly when we might end our voyage was largely a matter of idle speculation.

3.   The book is just a lot of idle speculation about the future.

4.   There has been a lot of idle speculation about what might happen, but no one really knows.

5.   All efforts to oversimplify him via references to campaign finance reform miss the point as completely as idle speculation about his party membership.

6.   But scientists dismissed these discussions as idle speculation about impossible things, Callahan recalled, and urged ethicists not to dwell on the topic.

7.   But this was all idle speculation.

8.   Idle speculation, of course.

9.   It is not idle speculation.

10.   Linda DiVall, a Republican pollster, dismissed such talk as idle speculation.