| Clue | Source | Date |
|---|---|---|
| Gallup, e.g. | Thomas Joseph | 29 Mar 2025 |
| Busy person just before an election | New York Times | 09 Nov 2020 |
| One sampling opinions | The Washington Post | 06 May 2019 |
| One sampling opinions | LA Times Daily | 06 May 2019 |
| One sampling opinions | ||
| Roper or Gallup. | ||
| Gallup, for instance. |