| Clue | Source | Date |
|---|---|---|
| Propensity to do the right thing | Wall Street Journal | 14 Sep 2021 |
| Strength of character | The Washington Post | 05 Oct 2019 |
| Strength of character | LA Times Daily | 05 Oct 2019 |
| Strength of character | ||
| Scruples | Newsday | 06 Oct 2018 |
| Incorruptibility, maybe | The Chronicle of Higher Education | 08 Jun 2018 |
| Incorruptibility, maybe | ||
| Strength of character | Newsday | 06 Nov 2016 |
| Strength of character |